Which statement is true? A. A biconditional is only true if both statements are true. B. A biconditional is only true if both statements have the same truth value. C. A biconditional is only true if the hypothesis is true. D. A biconditional is only true if the hypothesis is false. Please select the best answer from the choices provided A B C D

Answers

Answer 1

I believe the answer is B.

Hope this helps!

Answer 2
Biconditional statements are written with "if and only if." So one statement is true "if and only if" the other statement is true. Your answer is A. 

Related Questions

minerals can be classified according to their use. which classification is given a mineral that contains a useful amount of a particular element, such as iron?

Answers

ore
       
An ore is a type of mineral or rock which has a high enough concentration of a desirable element such that it's economical to extract that desired element. This means that the actual concentration of metal in an ore varies quite dramatically depending upon the metal. For instance, Bauxite, which is the ore for aluminum contains approximately 15% to 25% aluminum. But for gold, it's not uncommon to profitably extract 1 ounce of gold from several tons of rock.

Answer:

ore

Explanation:

Which statements describe rain forests? Cures for diseases have been developed from resources in rain forests. Rain forests are located near the poles. Rain forests are the natural habitat for 20 percent of the world's plant and animal species. Rain forests provide a variety of foods for the world. Rain forests release CO2 into the atmosphere. Species found in rain forests have been used to cure disease. Species found in the rain forest decrease each day.

Answers

True: A, D, F, G
False: B, E
Not sure: C (Rain forest probably contain more than 20% of all the world's species.)

Answer:

Cures for diseases have been developed from resources in rain forests.

Rain forests provide a variety of foods for the world.

Species found in rain forests have been used to cure disease.

Species found in the rain forest decrease each day.

Explanation:

These statements accurately describe rainforests. Rainforests are known as the "jewels of the Earth" because of the enormous diversity of species that can be found there. It is estimated that between 40-75% of all species of plants and animals are found in these regions. Moreover, over a quarter of natural medicines have been discovered here. However, the species found in the rainforests are rapidly decreasing due to deforestation, habitat loss and pollution.

a sedimentary rock containing a fossilized sea shell had been found. what does this tell you about the area at the time the rock was formed?

Answers

It tells you that there used to be an ocean in the area the rock was found.
Sedimentary rocks are formed from the breaking apart of other rocks (igneous, metamorphic, or sedimentary rocks) and the cementation, compaction and recrystallization of these broken pieces of rock.

 

The grass in the photo above can be found in the __________ ecosystem.
A.
tropical savanna
B.
monsoon rainforest
C.
desert
D.
deciduous forest

Answers

The grass in the photo above can be found in the A. tropical savanna ecosystem.

A tropical savanna usually has a tropical wet or dry climate, and usually has a dry season during the winter, with rain in the summer.

hope this helps

Answer: The picture can be found in the "tropical savanna" ecosystem.

Explanation: Your answer is A. tropical savanna.

Tectonic plates often shift position by the force of liquid rock emerging from below the Earth’s surface and then cooling to form hard rock. This most often occurs _____.

in mountain chains

along coastlines

during earthquakes

on the ocean floor

Answers

D.On the ocean floor.
When tectonic plates move, They move along the ocean floor, which is the crust, and It cause earthquakes and volcanoes and also caused Pangea to break apart and become what it is now, The seven continents.

The Democratic Republic of the Congo and the Central African Republic use ___ for their energy needs.

Answers

they used hydroelectric power for their energy needs
The Democratic Republic of the Congo and the Central African Republic use ''Hydroelectric'' for their energy needs.

when heat is added to an object, what factors determine its change in temperature?

Answers

Heat energy is needed to increase the temperature of an object. The amount of energy needed depends on the mass of the object, the type of material it is made from, and the temperature increase.
Heat energy is also absorbed when substances melt or boil, but the temperature does not alter during a change of state. The amount of energy needed to melt or boil something depends upon the mass of the object and the type of material it is made from

Which of the following is not an endangered species?
A) giant otter
B) gray grass mouse
C) giant anteater
D) llama

Answers

D. Llama
Llamas are not the endangered species
llama is not an endangered species 

An igneous rock with a ______ texture solidified deep within earth.

Answers

A igneous rock called Phanertic.

what is the difference between a major and minor plate

Answers

A major plate is one that has an area greater than 20 million kilometer squared and a minor plate is one not greater than 20 million kilometer squared and larger than 1 million kilometer squared. Minor plates are not usually shown on maps of major plates.

Which industry is new in the western United States?

A. Mining

B. Farming

C. Ranching

D. Recreation

Answers

Which industry is new in the western United States?


D. Recreation

The recreation-related industry is younger in the western United States compared to the other three. As a result, choice (D) is the right response.

What is the Mining industry?

The term "mining industry" refers to a group of activities that involve the removal, control, and processing of naturally occurring solid minerals from the earth's surface. Mined materials including coal, diamonds, metallic ores, oil, and other materials with high economic value may be produced.

There are four types of mining: subterranean, open level (pit), placer, and in-situ.

Deforestation, erosion, pollution, alteration of soil layers, poisoning of nearby streams and wetlands, an increase in noise level, and other adverse effects on the environment may be caused by the exploration, building, operation, and maintenance of mines.

Hence, Option (D) is correct.

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which atmospheric temperature zone is located between 8 and 32 miles above earths surface and contains an abundance of ozone

Answers

The answer is stratosphere. It is located above the troposphere. The upper layers of the stratosphere are warmer than the layers that are near the Earth's surface. Ozone is also present in the stratosphere which causes the heat as it absorbs the ultraviolet rays coming from the sun. Because of the heat which becomes for a period of time in the stratosphere, CFC's and other chemicals that are on these layer stays longer.


Island home to mysterious stone figures carved from hardened volcanic ash

Answers

That would be Easter Island! The statues are truly impressive works, especially considering the technology available at their time of creation.
Easter island! {I only know that from the film hop}

Which colonists wanted to fight the British for American independence?

Answers

The patriots wanted to fight Britain for American Independence because relations between the two grew more tense as time grew.
Final answer:

The colonists who were interested in fighting for American independence from British rule were known as Patriots. They represented a diverse array of individuals and included famous figures like George Washington, Thomas Jefferson, and Benjamin Franklin.

Explanation:

The colonists who wanted to fight the British for American independence were known as the Patriots. They were individuals who believed the British government was denying them their rights as Englishmen and sought self-governance. The Patriots consisted of people from all walks of life, including farmers, merchants, and lawyers. Some key figures among them included George Washington, Thomas Jefferson, and Benjamin Franklin. They firmly opposed British rule and played a significant role in the American Revolution, leading ultimately to the establishment of the United States as an independent nation.

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The large gap between the rich and poor in China and India is an example of a(n) __________. A. social dilemma B. political conflict C. economic downturn D. environmental concern

Answers

The answer is
A. social dilemma

You are given a map of an area with a subduction zone. explain what feature you would use on the map to determine the exact location of the plate boundary

Answers

Two lithospheric plates collide at the subduction zone, one cruising over the other. The majority of land-based volcanoes are found close to and inland from the plate boundary.

These plates move apart from one another, slide past one another, and clash. The strongest earthquakes, tsunamis, volcanic eruptions, and landslides happen where they contact and one plate is driven beneath another (a subduction zone). Therefore, the Pacific Ring of Fire can be used to locate the majority of Subduction Plates on a map.

The Circum-Pacific Belt, often known as the Ring of Fire, is a region along the Pacific Ocean marked by active volcanoes and frequent earthquakes. The Ring of Fire is where most of Earth's earthquakes and volcanoes occur.

Indonesia, New Zealand, Papua New Guinea, the Philippines, Japan, the United States, Chile, Canada, Guatemala, Russia, Peru, the Solomon Islands, Mexico, and Antarctica are among the 15 nations that make up the Ring of Fire.

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which gas is considered a major greenhouse gas

Answers

carbon dioxide is considered as the major greenhouse gas.

The most important greenhouse gas released by human activity is carbon dioxide (CO2). Around 79% of all greenhouse gas emissions caused by human activity in the United States in 2020 were CO2.

What is a greenhouse?

A greenhouse is a building where plants that require controlled climate conditions are cultivated. Its walls and top are mostly composed of transparent materials, including glass. These buildings come in a variety of sizes, from modest sheds to enormous factories. A cold frame can be thought of as a tiny greenhouse.

For plants, a greenhouse is a haven of safety. It lessens the accessibility of insects and other creatures that could harm or devour your plants. Extreme weather events like heavy rain and droughts are less likely to occur in this greenhouse climate.

Carbon dioxide, methane, nitrous oxide, hydrochlorofluorocarbons (HCFCs), hydrofluorocarbons (HFCs), and ozone in the lower atmosphere are the principal greenhouse gases whose concentrations are rising.

Therefore, Carbon dioxide is the most significant greenhouse gas produced by human activities.

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Which political challenge does Canada face?

A. Gaining independence from Britain.

B. Lack of a constitution.

C. Separatists' desire to make Quebec an independent country.

D. First nations' efforts to take charge of the government.

Answers

C. Separatists' desire to make Quebec an independent country.

Canada faces a lot of problems over a period of time. But the most important of the lot is the Separatist's desire to make Quebec an independent country. Hence, option c is appropriate.

What happened in Quebec?

The most important thing about Quebec is that it got established in 1867. from there, onwards many separatist groups were highly involved. The first time when the separatists started to take over Quebec was in the year 1995.

Quebec was part of a very prosperous area, which got the idea of moving out. the separatists played the idea of the French -Speaking area connection.

The Quebec area was very much french and was trying to move out of the place for a long time. For Quebec to be alone an Amendment was to be created. Hence, option C is correct.

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Which of the phrases describes a result of the greenhouse effect?
1) increased temperatures
2) increased solar radiation
3) decreased atmospheric gases
4) shorter days

Answers

A. Increased temperatures, because greenhouse gasses build up in the atmosphere, which lets heat from the sun in, and the bounces it back to earth, so more and more heat is making the earth hotter.

which of the following is powered by energy from earth's interior ? A. erosion B. ocean circulation C. volcanoes D. weather

Answers

Answer:

volcanoes

Explanation:

The one which is powered by energy from earth's interior is volcanoes Option(c) is correct. Enormous ejections can influence climatic temperature as debris and drops of sulfuric corrosive dark the Sun and cool the World's lower atmosphere.

What are Volcanoes?

A Volcano is a burst in the hull of a planetary-mass item, for example, Earth, that permits hot magma, volcanic debris, and gases to escape from a magma chamber underneath the surface.

On The planet, volcanoes are most frequently found where structural plates are wandering or uniting, and most are viewed as submerged. For instance, a mid-sea edge, like the Mid-Atlantic Edge, has volcanoes brought about by dissimilar structural plates while the Pacific Ring of Fire has volcanoes brought about by focalized structural plates.

Volcanoes can likewise shape where there is extending and diminishing of the covering's plates, for example, in the East African Break and the Wells Dark Clearwater volcanic field and Rio Grande fracture. All things considered, huge volcanic ejections have been trailed by volcanic winters which have caused disastrous starvations.

Therefore Option(c) is correct.

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which describes the energy conversions used to make a car go down the street?

Answers

The energy conversions used to make a car go down the sctrret is because energy stored in gasoline is converted to heat, then to the kinetic energy of the car. It describes that when the energy is stored in gasoline, it is converted to heat and then to the kinetic energy of the car, that why it can make go down the street. 

Final answer:

In making a car go down the street, chemical energy from fuel is converted into mechanical energy, which then transforms into kinetic energy for movement. When a car ascends, kinetic energy is partially converted into gravitational potential energy, and during braking, kinetic energy is transformed into thermal energy or, in hybrid cars, back into electrical energy. These processes illustrate the principle of conservation of energy.

Explanation:

The question pertains to the energy conversions that occur to make a car move down the street. Initially, the car uses the chemical energy stored in the fuel, which through the process of combustion inside the engine, converts into thermal energy. This thermal energy then gets transformed into mechanical energy, allowing the pistons to move and ultimately enabling the car to go forwards. As the car accelerates and moves, it encounters various forms of energy conversion including the conversion of mechanical energy into kinetic energy, allowing the car to move and gain speed. When the car ascends a slope, it converts some of its kinetic energy into gravitational potential energy. However, when braking or slowing down, the car's kinetic energy is transformed into thermal energy due to friction in the brakes, heating them up. In a more advanced scenario, like in hybrid cars, this braking phase can also convert kinetic energy back into electrical energy, stored in the battery for future use.

Throughout these processes, energy is never created nor destroyed but is instead transferred and transformed from one form to another, demonstrating the principle of conservation of energy. This conservation principle underlies all mobility and energy conversion processes in vehicles, from simple cars to sophisticated hybrid or electric models.

what are the insolation changes over the course of the diurnal cycle are caused by?

Answers

The insulation changes over the course of the diurnal cycle are caused by the earth's rotation.

Which country assisted japan as it moved from a monarchy to a representative democracy?

Answers

The United States, hope that helps

united states :) woot woot

which planet in the solar system rains diamonds?

Answers

Saturn and Jupiter both rain Diamonds!
I agree with Uranus and Neptune.



The first book of Old Testament poetry is named for:
Solomon
David
Koheleth
Job

Answers

The answer is Job my parents know a lot about this stuff

The first book of Old Testament poetry is named for Solomon. Option D is correct.

What is the significance of Old Testament poetry?

These three case studies highlight the ability of Old Testament/Hebrew Bible poetry to stir, challenge, heal, and transform. They've also demonstrated that reading such poetry requires imagination, ability, and knowledge. These interpretative characteristics are not readily attained.

The ancient Hebrews acknowledged poetical elements in their holy scriptures, as evidenced by passages such as Exodus 15:1-19 and Number's 21:17-20 being labeled as “songs” or “chants”; a song or chant (shir) is poetry, according to the fundamental sense of the term. Solomon is commemorated in the first book of Old Testament poetry.

Rather, the essential message of the Old Testament is Jesus: particularly, Christ's sufferings and the glories that will follow—both Christ's triumphant resurrection and the beautiful inheritance that he has earned for all of us.

Therefore, option D is correct.

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All of the following products were important trade goods that came from India, except __________.
A.
coffee
B.
cotton
C.
spices

D.
tea

Which of the following events caused the British government to dissolve the East India Company and to take over the direct rule of India?
a. the killing of protesters at Amritsar
b. the fall of the Mughal Empire
c. the Sepoy Rebellion
d. the creation of the Indian National Congress and the All-India Muslim League

Answers

Final answer:

Option A. Coffee was not a key trade good from India; the important products were spices, cotton, tea, and opium. Option c. The Sepoy Rebellion in 1857 led to the dissolution of the East India Company and the establishment of direct British rule.

Explanation:

The product among the options that was not an important trade good that came from India is A. coffee. Historically, India has been known for its production of spices, cotton, tea, and opium, but not primarily coffee, which has been more closely associated with places like Ethiopia and later on, Latin America.

The event that caused the British government to dissolve the East India Company and to take over the direct rule of India was c. the Sepoy Rebellion. This uprising occurred in 1857 and was a major, though ultimately unsuccessful, revolt against the Company's rule. Post-revolution, in 1858, the Crown assumed control over India, marking the beginning of the British Raj.

What type of location would "395 South High Street" be?

Possible answers:
A) Absolute Location
B) Relative Location

Answers

The correct answer is B. Relative location

That is because there are many places in the world that may have that name. Also, the country may decide to change the street name and move that name to another street. Absolute would be if you had coordinates that never change and where you can pinpoint a location on any map without relating it to anything.

Answer:

The answer is option B.

Explanation:

That is on the grounds that there are numerous spots on the planet that may have that name. Likewise, the nation may choose to change the road name and move that name to another road. Supreme would be on the off chance that you had organizes that never show signs of change and where you can pinpoint an area on any guide without relating it to anything.

Glaciers can only form when

Answers

Glaciers begin to form when snow remains in the same area year-round, where enough snow accumulates to transform into ice.

Glaciers can only form when snow builds up over time, it transforms into ice and starts to flow outward and downward under the weight of itself.

Glaciers often store more snow in polar and high-altitude alpine environments than they lose to melting, evaporation, or calving.

Snow starts to become glaciers when enough snow accumulates in one place year-round to turn into ice.

Every year, fresh snowfall buries and compacts the older layers. The snow is forced to recrystallize as a result of the compression, initially creating grains with the same size and shape as sugar granules.

Thus, glaciers can only form when snow builds up over time.

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Which of the following was the most important development that cause people to shift from hunter gatherer societies to agriculture settlements more than 5000 years?

Answers

the most important development was  the use of flood plains and irrigation
Agricultural settlements require the society to stay within one place and produce their own food by leveraging all the resource in that place.
Food plains are crucial because it contains high-nutrition soil that provide enough foods for the plants to grow while irrigation is crucial so the society could provide enough water supply to sustain their crops.

Answer:

b the use of flood plains and irrigation

Explanation:

b

which one of these is not a property of minerals

Answers

The properties of minerals are:
Color.
Streak.
Hardness.
Cleavage or Fracture.
Crystalline Structure.
Diaphaneity or Amount of Transparency.
Tenacity.
Magnetism.

Answer:

for people who are on grade point, the answer would be luster.

Explanation:

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