Precession is the slow gyration of Earth’s axis, a wobble caused by the gravitational forces exerted by the Moon on the Earth's oblate spheroid shape. It takes approximately 26,000 years for the axis to complete a full precessional cycle. The answer is option C.
The term precession refers to the slow wobble or gyration of the Earth's axis. This axis, currently pointing close to Polaris, rotates once every approximately 26,000 years due to torques caused by the Moon's gravity on Earth's equatorial bulge. In essence, Earth is not a perfect sphere due to its rotation; it's slightly flattened at the poles and bulging at the equator, which allows the Moon's gravitational force to act on these 'love handles', leading to precession.
The precession was first discovered by Hipparchus around 120 B.C., but the explanation for its occurrence was given by Newton in 1686. The process is very slow, with the axis tracing a conical shape in space and making a complete circle among the stars every 25,800 years. Therefore, the best description of precession is that Earth's axis wobbles.
What divides the piedmont and coastal plain?
Which was an idea used to dispute the theory of plate tectonics?
Final answer:
Initially, the theory of plate tectonics faced skepticism due to the lack of an explanatory mechanism and the prevailing belief in uniformitarianism. Acceptance grew after seafloor spreading was discovered and further evidence accumulated, leading to the recognition of plate tectonics as a key geological theory.
Explanation:
Ideas used to dispute the theory of plate tectonics primarily revolved around the lack of a mechanism to explain continental drift and the dogmatic acceptance of uniformitarianism, which emphasized the permanence of continents. When Alfred Wegener proposed the theory of continental drift in 1912, he cited evidence such as complementary continental shapes, similar fossils in widely separated lands, matching mountain ranges, and paleoclimate indicators. However, without a credible explanation for the forces behind continental movement, his ideas faced skepticism. It was not until the 1950s and 1960s, with the discovery of seafloor spreading and the accumulation of evidence such as ocean floor mapping, that the concept evolved into the modern understanding of plate tectonics. The transition from hypothesis to theory signified a major shift in geological science, eventually leading to widespread acceptance, further supported by ongoing GPS and earthquake data analyses.
If a volcano erupted and its resultant lava flowed to a great distance at a relatively fast rate, what properties would you expect of the lava?
Answer:
high temperature volatile-rich mafic. Benefits of volcanos. creates new land enrichs soil for farming creates mineral deposits.
Explanation:
Explain the diagram in a paragraph of 125 words
Environmental protection will come when the public is aware of the situation we are in. They will become aware of this by first giving out the data. People become more aware and more wiling to help fix the problem when they see how bad it is. Numbers and statistics are a great way of doing this. Also, developing a policy. If we were to set a list of strict rules about what we can and can't do, it would help people realize what they are doing and how they can help fix it. Not only make this policy but strongly enforce it. If its not strictly enforced no one will follow through with it and the environment will not be protected as it should. All of these things must work together or we will never achieve environmental protection.
Established during the Middle Ages, guilds were associations of skilled artisans designed to institute quality standards, establish training programs, and set prices in industries such as glassblowing or masonry. What most likely happened to the guild system following industrialization?
what are the main exports of central America?
a) Bananas and Papaya
b) Guava and Avocado
c) Cotton and Pineapple
d) Bananas and Coffee
Bananas and Coffee, are the main exports of Central America. Bananas and Coffee are the large amount of the exports. Thus, option (d) is correct.
What is exports?
The term exports refer to the product are the sale to the another country and the state. The export are the important of the every country. The China are the large level of the goods are the exports. The exports are the exchange of the goods with the government taxes. The taxes are the imposed by the government.
The Central America is the large level of the import and the export. The America are the mostly export in the fruits like Bananas and the coffee was the export are the large amount. The America wealth are the secret is the export the fruits and the consumer goods and also the export the large amount of the automobiles.
As a result, Bananas and Coffee, are the main exports of Central America. Therefore, option (d) is correct.
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Which countries does the North European Plain run through? (choose all that apply) A. Belarus
B. Bulgaria
C.Croatia
D.Macedonia
E. Poland
F.Albania
A map has a scale of 1 cm: 12 km. On this map what is the distance between two locations that are actually 30 km apart?
How are a vein of rock and an inclusion similar? how are they different? describe a vein and an inclusion in your answer?
A vein of rock is a fracture filled with precipitated minerals, while an inclusion is an older piece of rock enclosed by a younger ignous rock. Veins form due to space being filled in existing rocks; inclusions require an older rock to become surrounded by new material. The principle of inclusions indicates that the inclusion is older than the surrounding rock.
Explanation:A vein of rock and an inclusion are features found in igneous and sometimes sedimentary rocks, though their nature and how they come to exist are different. A vein is a fracture in the rock that has been filled with minerals that have precipitated from a fluid, often occurring after the rock has formed. In contrast, an inclusion is a piece of older rock that has become encased within a younger igneous rock.
Differences between veins and inclusions can be observed in their formation. A vein forms when there is a space within the rock that is later filled by mineral deposits, while an inclusion is already present and becomes surrounded by the newer rock as it solidifies. According to the principle of inclusions, developed by Charles Lyell, the rock within which the inclusion is found must be younger than the inclusion itself.
For instance, originally mafic magma that cools quickly can be included in a surrounding slower cooling, coarser-grained felsic rock such as granite. The presence of a mafic inclusion in granitic rock indicates that the mafic rock formed first as the magma cooled rapidly, and later, the surrounding granitic rock formed as a result of a change in the magma's chemistry and a slow cooling process.
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A vein and inclusion are similar as internal features of rocks providing geological history; however, veins form through mineral deposition in cracks, while inclusions are older rock fragments within a newer rock.
A vein of rock and an inclusion are both features found within rocks but they form and indicate different geological processes.
Similarities:
Both veins and inclusions are found within other rocks, making them internal features of the host rock.Both provide evidence about the geological history and processes that occurred after the host rock formed.Differences:
Formation Process: A vein forms when mineral-rich fluids flow through cracks in a rock and precipitate out minerals, forming a seam. An inclusion, on the other hand, is a fragment of one rock that is enclosed within another rock.Geological Indication: Veins indicate the presence of hydrothermal activity and fluid movement, while inclusions indicate that the host rock is younger than the included fragments.Appearance: Veins often appear as distinct bands or seams that cut across the host rock, while inclusions are irregularly shaped and dispersed throughout the host rock.Descriptions:
Vein: A vein is a sheet-like body of crystallized minerals within a rock. Veins form when mineral components carried by an aqueous solution within the rock mass are deposited through precipitation. For example, quartz veins are often found in granite.Inclusion: An inclusion is a piece of older rock that gets trapped within a newer rock matrix. For example, a piece of basalt (an inclusion) may be found within a granitic rock.The Midwest’s name of the “heartland” is an example of what?
A) perceptual region
B) formal region
C) functional region
D) definitive region
The Midwest's nickname 'heartland' is an example of a perceptual region, which is based on the subjective perceptions and feelings of people rather than strict physical or cultural characteristics. The correct option is: A) perceptual region
The term "heartland" as used for the Midwest is an example of a perceptual region. Perceptual regions are based on the shared feelings and attitudes of the people about a place. These regions have loosely defined boundaries based on people's perceptions or thoughts.
Unlike formal regions that have clear, defined boundaries and are characterized by a commonality such as language or economic activity, or functional regions which are organized around a node or focal point, perceptual regions are not as rigid.
People recognize and understand the general area being discussed when referring to a vernacular region like the "heartland", which brings to mind images of the agricultural Midwest and its cultural identity.
What are three effects water shortage has on a region
on april 21 the altitude of polaris as viewed from a location in new york state was measured 41.3 degrees what will the altitude of polaris be when viewed one month later on may 21 from the same location?
Answer:
The correct answer is 41.3 degrees.
Explanation:
The altitude of Polaris is said to be the same even after one month if seen from the same location. Therefore, time and location have no impact on altitudes, and altitude of Polaris will be recorded as equal to the altitude of the location.
The reason behind this is the axis of the earth, which is in direction of Polaris latitude. Due to which latitude does not change even at night and thus, remains the same.
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The word that refers to anything concerned with the Middle Ages is .
Answer:
I believe the correct answer is... Medieval
Where is boston located relative to new york city?
Statistics show that one in five people in the world are severely _____.
A. over educated
B. undernourished
C. underestimated
D. over fed
Answer:
B. Undernourished
Explanation:
Unfortunately, malnutrition is a very serious problem that affects thousands of people around the world, whether they are residents of developed or underdeveloped countries. Malnutrition can be caused by two factors: poor diet or lack of food.
About 850 million people worldwide suffer from malnutrition. It is estimated that by 2020 this number will reach 1.2 billion.
Which of the following definitions best characterizes foraging?
A.
producing iron using forges
B.
living off the land without modifying it
C.
preparing food that can be preserved
D.
destroying natural habitats
The following definitions best characterizes foraging: living off the land without modifying it. Correct answer: B The term foraging denotes the act of finding and harvesting wild foods. It is also known as simply "gathering." Foraging plays an important role in an animal's ability to survive and reproduce.
Two major sources of energy, coal and oil shale, are considered ________ sedimentary rocks.
A _____________ forms as a result of lava that has cooled at the top of a volcano.
A caldera forms as a result of lava that has cooled at the top of a volcano.
This volcanic feature formed when a large eruption of magma, or lava, leaves a gigantic empty chamber underground.
Example is the large, mostly submerged caldera Santorini in the southern Aegean Sea, 120- kilometers north of Crete in Greece.
Georgia ranks third in the nation for the number of native freshwater fishes; only Alabama and Tennessee have more species. About 265 species are considered native to the state. The aquatic biodiversity continues to decline in Georgia's freshwater creeks and streams as humans modify the landscape, mainly because of stream habitat alterations and loss caused by urban development.
As we see an increase in habitat alterations, some fish exhibit behavioral adaptations that help with the survival of their young. All BUT ONE is a behavioral adaptation you might see in a freshwater fish species in Georgia. That is:
A) The male and female shiners will swim along the crevice of large rocks and deposit eggs and sperm in the crevice.
B) Male and female catfish exhibit parental care, which includes nest site preparation, fanning of the eggs with their fins, and guarding of the eggs and larvae.
C) The male bluehead chub constructs a gravel mound for spawning. Several other minnow species, known as nest associates, will also use the chub's nest for spawning
D) Stonerollers are sometimes referred to as creek cows because of their behavior of grazing on algae that helps to transfer large amounts of energy through a food chain.
Answer:Researchers at the University of Georgia have evaluated trends in streamside forests in areas within roughly 400 feet of the state’s streams and rivers. A decline in streamed forests is evident across much of the state. Between 1974 and 2005, 41 of the state’s 52 large watersheds showed declines in riparian forests. The greatest losses were in the Upper Chattahoochee, Middle Savannah, Upper Ocmulgee, and Middle Chattahoochee.
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Explanation:
Many Caribbean islands are independent but some remain politically linked to _____.
A) Africa and Southeast Asia
B) European countries and the United States
C) Mexico and Central America
D) South America
Answer:
B) European countries and the United States.
Explanation:
The Caribbean island is an independent island but they are politically related to the USA and europe, these islands are located in a region that is part of the Americas. The climate of the area is tropical and is tropical savanna is some areas. At the period of the European contact, the dominant ethnic groups of the island were that of the Taíno of the Greater Antilles and had a population that is estimated to around 750,000 which were indigenous to the lands. The Haitian of the french island has significant European connect. As the dominance of the Spanish speaking Caribbean population belonged to the Europeans and a majority of them were mixed European-African And the Native American.According to this map, which nation is considered part of central Europe?
I really need the answer ASAP.
The options are
Spain
Ireland
Italy
Germany
Answer:
germany
Explanation:
Central to geography is the belief that there is no pattern, regularity, or reason to the locations of physical and human phenomena on Earth's surface.
Question 5 options:
True
False
All of the following statements are true except _______.
(A) recycling petroleum-based products conserves resources. (B) air quality is important everywhere, not just in large cities. (C) human activity is limited by the availability of resources. (D) alternative energy sources are often too impractical to use.
Answer: All the following statements are true except A, recycling petroleum-based products conserves resources.
Which statement is accurate about the southeast region of Brazil?
A) The majority of the region’s population lives in or near two cities.
B) It is the country’s largest region in terms of area.
C) Almost half of the world’s coffee supply comes from the region.
D) The capital, Brasília, is located in the region.
Identify the factors of x2 − 8x − 20.
(x + 4)(x − 5)
(x + 5)(x − 4)
(x − 10)(x + 2)
(x − 2)(x + 10)
Answer:
the answer is (x − 10)(x + 2) or C
Explanation:
The factors of x2-8x-20 is (x-10)(x-2). The correct answer is option C.
What is factorization?Factorization or factoring consists of writing a number or another mathematical object as a product of several factors, usually smaller or simpler objects of the same kind.
Solving the factorization as:
[tex]x^{2}[/tex]-8x-20
= [tex]x^{2}[/tex]-10x=2x-20
= x(x-10) +2(x-10)
= (x-10) (x+2)
Therefore the correct answer is option C.
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The dust bowl is an example of
Why do tourists often visit the Caribbean islands?
A) The islands have a humid climate and agriculture.
B)The islands have plantations and an arid climate.
C)The islands have beautiful beaches and a tropical climate.
D) The islands have a tropical climate and European colonization.
Answer:
C is correct
Explanation:
Which are often considered part of Oceania?
Check all that apply.
A.Indonesia
B.New Zealand
C.South Africa
D.Korea
Answer:
New zealand and indonesia
Explanation:
__________ is the type of precipitation that forms when layers of ice build up on ice pellets that are suspended in the strong updrafts of thunderstorms.
Why not all movement along faults produces earthquakes?
Answer:
There are only 4 types (Normal, Reverse, Strike-slip, Oblique-slip) of fault movements that cause earthquake.
Explanation:
There are four main types of faults that produces earthquakes:
Normal faulting occurs where the crust is being pulled apart. Reverse faulting occurs where the crust is being compressed. Strike-slip movement occurs when crustal blocks move sideways past each other, usually along nearly-vertical faults. An oblique slip comprises numerous groupings of these basic movements.Faults can be as short as a few meters and as long as 1000 km.
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Keywords: faults, normal, reverse, strike-slip, oblique-slip, earthquake
All movement along faults does not produces earthquakes because:
There are different types of faults which causes eqrthquakes
According to the given question, we are asked why all movements along faults does not produce earthquakes when triggered.
As a result of this, we can see that there are four main types of faults which has different effects on the topography of the earth and they are:
Normal faultReverse faultStrike-slip faultOblique-slip fault
With this in mind, we can see that there are different effects which these faults have and that is why all movement along the faults cannot produce an earthquake because some of them are not just enough to cause an earthquake.
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