The earth's rotation on its axis provides the basis for our system of local time and time zones.
Explanation:Eath Motion and Time Zones
Our system of local time and time zones is based on the earth's rotation on its axis. The earth rotates once every 24 hours, which means it completes a full rotation of 360 degrees in that time period. Time zones are established roughly every 15 degrees of longitude, so that local times correspond to similar hours of day and night. This system ensures that the sun is generally overhead at noon in every time zone that follows the 15-degree-wide system.
The scientific theory of plate tectonics states that the Earth's crust is composed of many plates, or slabs of rock. Interactions of these plates have created different landforms, or geologic features. Which of the following statements provides evidence for this theory?
Fossilized marine creatures can be found at the top of the Himalayan mountains.
This provides evidence for this theory D. Fossilized marine creatures can be found at the top of the Himalayan Mountains.
How is this the solutionThe presence of fossilized marine creatures at the top of the Himalayan Mountains supports the theory of plate tectonics. These marine fossils found at high elevations suggest that these mountains were once submerged under ancient seas.
The process of plate tectonics, particularly the collision of tectonic plates, is responsible for the uplifting of oceanic crust and sedimentary layers to form mountain ranges like the Himalayas.
The existence of marine fossils in these elevated areas provides evidence of the movement and interaction of Earth's tectonic plates over geologic time scales.
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The scientific theory of plate tectonics states that the Earth's crust is composed of many plates, or slabs of rock. Interactions of these plates have created different landforms, or geologic features. Which of the following statements provides evidence for this theory?
A.
A large earthquake off the coast of Japan induces a wave that is over twenty feet high.
B.
An iceberg buckles the hull of the Titanic and allows water to enter between the steel plates.
C.
The city of Pompeii is perfectly preserved under volcanic ash following the eruption of Mount Vesuvius.
D.
Fossilized marine creatures can be found at the top of the Himalayan Mountains.
How do waves change as they approach the shore? A. The height of the waves decreases B. The distance between crests decreases C. Friction acting on the top of the wave increases D. The wavelength increases
The option B is correct.
The waves change as they approach the shore because the distance between crests decreases.
Further Explanation:
Wave: The highest point of the wave is referred as crest and the lowest point as trough. The wave height is the vertical distance between the crest and the trough. The wavelength is the horizontal distance between the two adjacent troughs or crests.
Justification for correct and in correct answer:
A. The height of the waves decreases: This option is incorrect.
The wave height is the vertical distance between the crest and the trough. As the wave approaches the shoreline, the height increases because of the wave refraction.
B. The distance between crests decreases: This option is correct.
The distance between the crest decreases because the crest height increases and the wave compress each other, so when the wave reaches the shore it changes.
C. Friction acting on the top of the wave increases: This option is incorrect.
The wave changes as it approaches the shoreline because the speed of the wave slow down due to the friction caused by shallow bottom.
D. The wavelength increases: This option is incorrect.
The wavelength is the horizontal distance between the two adjacent troughs or crests. As the wave approaches the shoreline, the wavelength decreases because the wave compress each other and friction act from the bottom of the shallow sea.
Learn more:
1. Learn more about layers of Earth
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2. Learn more about earthquake
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3. Learn more about climate zones
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Answer details:
Grade: High School
Subject: Geography
Chapter: Weather and climate
Keywords: How do waves change as they approach the shore, the height of the waves decreases, the distance between crests decreases, friction acting on the top of the wave increases, the wavelength increases
The dense atmosphere of venus is ________, causing most incoming solar radiation to be _________. hints
all of the following are components of population growth except
a crude birth rate
b death rate
c immigration
d total fertility
emigration
how are index fossils used to determine the absolute age of sedimentary rock
For centuries before Europeans and Americans came to the Hawaiian Islands, Hawaiian culture was characterized by A. hunting and gathering for food, and religious sacrifice of animals B. irrigated plantations and a system of strict religious taboos C. importing food from Asia and written religious scriptures D. small, primitive farms and ancestor worship
Rainforest conservation is a global issue that includes a focus on the rainforests of __________, __________, and Atlantic regions of __________.
What type of star would it be if it had a luminosity of .01 ana a temperature of 15,000k?
Which of the following groups considers itself Arab?
A. Iranians
B. Turks
C. Kurds
D. Saudi Arabians
Push factors led to the founding of which colonies?
What causes high and low tides? A. The ocean's conveyor belt and refraction B. Earthquakes and volcanoes C. Cold and warm currents D. The moon's gravity and Earth's rotation
Answer:
D the moons gravity and earths rotation
Explanation:
Because while the earth is rotating on its axis the moons gravity is pulling its self around the earth and by doing that it is pulling the water witch creates waves
Why did the Palestinian Liberation Organization set up bases in southern Lebanon
Answer:
To conduct raids across the border to Israel
Trust me it's right. ;) If this helped though help me with a like ;D
Can't figure this one out, help please :D
Two countries, Country X and Country Y, have very different economic systems. Country X has a command economic system and Country Y has a mixed market economic system. Which of the following best describes the differences between these two systems?
how did the egyptians adapt to their environment, eventually create a fertile area, even though egypt borders the largest desert in the world?
The Egyptian's land was covered mostly with desert, which makes it less fertile. However, Egyptians started to use irrigation streams, and dams to prevent the problem of less fertility in the region.
Egypt got major benefits from the Nile River and camels to make its soil fertile. They planned their agriculture according to the drought and flood seasons, which helped them to adapt to the area.
Therefore, they started to plant crops between the time period when the flood passes away and comes again, which resulted in an abundance of food.
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When magma is injected horizontally between layers and solidifies, a(n) _______ forms?
what are two ways the ocean can affect the coastline
Final answer:
The ocean can affect the coastline by erosional processes, like wave action, creating cliffs and arches, and by depositional processes, resulting in longshore drift and the formation of beaches and barrier islands.
Explanation:
Two ways the ocean can affect the coastline are through erosional and depositional processes. Erosional processes, such as the action of waves and gravity-induced events, wear away coastal features, leading to the formation of sea cliffs, sea arches, and sea stacks. Conversely, depositional processes result in the creation of new landforms. The ocean's waves, through longshore drift, can deposit sand along the coast, forming features like beaches, spits, sand bars, and barrier islands.
Additionally, in regions with active tectonic uplift, wave erosion creates rugged and steep coastlines, while in passive margins areas, wave deposition constructs barrier islands and spits, which may eventually connect to the mainland to form lagoons.
9.) When comparing the political systems of Mexico with the United States.......?
a) Mexican presidents can potentially serve more years than a u.s. president
b) Mexican presidents can be reelected based on outstanding job performance
c) Mexican presidents cannot be reelected after serving six years regardless of job performance
d) the length of presidency among Mexican and u.s. presidents is identical
The correct answer is C. Mexican presidents cannot be reelected after serving six years regardless of job performance
Explanation:
Mexico and the United States are both countries in North America, and both have a democratic representative system with a president at the top of government. However, in terms of presidential terms, these two countries are slightly different. In the case of Mexico, each president is in office for six years and there is no reelection. On the other hand, in the United States, the term length for the presidency is four years and reelection is allowed, although this is limited to one. Thus, the difference between both political systems is "Mexican presidents cannot be reelected after serving six years regardless of job performance".
Given that our solar system is now about 4.6 billion years old, when will we need to worry about the sun running out of hydrogen for fusion?
The Sun, about halfway through its life span, uses hydrogen for fusion to produce energy. At its current rate, it has enough hydrogen for approximately another 5 billion years. Therefore, we won't worry about the Sun running out of hydrogen in our lifetime or for many millions of lifetimes thereafter.
Explanation:The Sun is believed to be halfway through its main sequence stage, during which nuclear fusion reactions in its core fuse hydrogen to form helium. These reactions release a tremendous amount of energy, which we see and feel as sunlight. Given that the Sun is about 4.6 billion years old, scientists predict that the Sun will run out of hydrogen for fusion in approximately another 5 billion years.
Every second, the Sun converts about 600 million tons of hydrogen into helium. Despite these massive numbers, because the Sun's mass is predominantly hydrogen, and because the rate of fusion is tempered by the thermal gas pressure and the Sun's equilibrium, this hydrogen supply will last billions of years. The process is incredibly efficient, but eventually, the hydrogen fuel in the core will run out. When this happens, the Sun will exit its main sequence stage and enter the red giant phase.
Thus, we won't need to worry about our Sun running out of hydrogen for fusion in our lifetime, or for many millions of lifetimes to come. However, this knowledge helps us understand the life cycle of stars and the future of our solar system.
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The Sun will continue to fuse hydrogen for another 4 to 5 billion years.
The Sun has been undergoing nuclear fusion for approximately 5 billion years, converting hydrogen into helium in its core.
It is expected to continue this process for another 4 to 5 billion years. At that point, the Sun will have exhausted the hydrogen in its core and will begin its red giant phase.Currently, the Sun consumes around 600 million tons of hydrogen per second, converting about 4 million tons of that mass into energy. Once it depletes its hydrogen, it will expand significantly, possibly engulfing the orbits of Mercury, Venus, and possibly Earth, and will start fusing helium into carbon. Eventually, the outer layers will be ejected to form a planetary nebula, leaving a white dwarf at the core to cool and fade over billions of years.What language was carried to the native Americans via the Alaskan highway
Which major resource is not exported from Brazil?
A.hardwood
B.iron ore
C.coffee
D.petroleum oil
i think it might be hardwood
All of the following statements about the Edwards Aquifer are true except:
a.
It feeds several well-known springs in Texas.
b.
It is located entirely within the state of Texas.
c.
When it rains, the water supply in the aquifer is replenished.
d.
Scientists predict it will run out of water in the next 15 years.
Start walking from a standstill. can you consider your body an isolated system?
People use the land circled on the map above for __________.
A.
sheep ranching
B.
crop farming
C.
unproductive land
D.
dairying
Answer:
crop farming
Explanation:
Which of these is a subdivision zone
A plates Sliding along each other
B One plate being forced under the other
C plates moving apart from each other
Why are the states of California, Oregon, and Washington mild and rainy?
Answer:
California, Washington, and Oregon have wet, mild climates near the ocean (remember, oceans tend to keep nearby land warmer in winter and cooler in the summer). Their northern mountains receive much precipitation.
Explanation:
What is the Petoskey Stone, and where was it found?
Which crop provides the most income for Brazil?
A.coffee
B.soybean
C.orange
D.beef
What wind or global pressure system borders the equator?
The Intertropical Convergence Zone (ITCZ), a region of high humidity, frequent rainfall and low pressure, is the primary system that borders the equator. This zone, influenced by northeast and southeast trade winds, critically affects Earth's climate dynamics.
Explanation:The primary global wind or pressure system that borders the equator is known as the Intertropical Convergence Zone (ITCZ). The ITCZ is where the northeast and southeast trade winds meet, creating a region of high humidity, frequent precipitation, cloudiness, and low pressure. This zone essentially rides the equator and plays a vital role in the Earth's overall climate dynamics.
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The Intertropical Convergence Zone (ITCZ) is the wind or global pressure system that borders the equator, marked by convergence of northeast and southeast trade winds. Additionally, the Coriolis force influences the direction of air movement, and the rotation of weather systems such as hurricanes and tropical cyclones in different hemispheres.
Explanation:The wind or global pressure system that borders the equator is known as the Intertropical Convergence Zone (ITCZ). This is where the northeast trade winds from the Northern Hemisphere and the southeast trade winds from the Southern Hemisphere converge, causing air to ascend, which results in regular rainfall. Further, you also have the concept of Coriolis force that plays a part in air movement. In the Northern Hemisphere, this force results in winds being deflected to the right, whereas in the Southern Hemisphere, it causes winds to be deflected to the left. The Coriolis force is crucial in determining the rotation of weather systems. For instance, hurricanes in the Northern Hemisphere rotate in a counterclockwise direction, while tropical cyclones, which are essentially the same weather phenomena, rotate in a clockwise direction in the Southern Hemisphere.
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Which landform is characterized as large areas of low-lying flat ground? a. elevation b. fault-block mountain c. plain d. plateau
The correct answer is option C. A plain landform is characterized as large areas of low-lying flat ground.
A plain is a landform characterized by extensive flat or gently rolling areas with relatively low elevation. Plains often have minimal relief, meaning they lack significant hills or mountains.
They are typically formed by sedimentary deposits over long periods, often occurring in regions away from coastlines where sediment accumulates over time. Plains can vary in size from small local areas to vast expanses covering continents, and they are important for agriculture due to their fertile soils and relatively easy accessibility for human activities.Therefore, the correct answer is c. plain.