Answer: Igneous rocks
Explanation:
Igneous rock forms when magma or lava cools and hardens. Examples include basaltic lava which forms basalt. Igneous rocks contrast with sedimentary rocks (formed from fragments of pre-existing rocks or biogenic material) and metamorphic rocks (produced when high temperature or pressure alters existing rocks).
The type of rock formed when magma or lava cools and hardens is called an igneous rock. The process of formation of these rocks is an essential part of Earth's geology. An example is basaltic lava which flows quickly, moving over distances exceeding 20 kilometers. Once the movement stops and it begins to cool, it forms basalt, a type of igneous rock. This type of rock is predominant in the Earth's oceanic crust and even found on other planets with past or present volcanic activity.
Igneous rocks contrast with sedimentary rocks, which are formed from fragments of pre-existing rocks or biogenic material that get deposited and cemented together over time. There are also metamorphic rocks, produced when high temperature or pressure alters existing rocks.
In summary, the rock cycle includes a wide range of processes that shape the planet, including the formation of igneous rocks when molten rock material cools and hardens.
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c. outer
b. atmospheric
d. none of the above
Answer: The answer is (C)
Explanation:
The correct answer is (c.) outer. The moon's average density is about the as the outer layer of the Earth. The average density of moon is about 3.34 g/centimetre and the earth's outermost layer is almost similar to it.
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Answer:
-3.5
Explanation:
Use the slope formula:
m = (y2 -y1)/(x2 -x1) = (5 -(-2))/(3 -5) = 7/-2 = -3.5
The slope is -3 1/2.
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The equation for the graph is written in point-slope form, so we can check that the line has that slope.
Answer:
Explanation:
Answer
A subduction zone is the largest wreck scene on Earth. These lines indicate the crash within two of the planet's tectonic plates. The plates are pieces of crust that slowly move across the planet's cover over millions of years. Where two tectonic plates meet, if one or both of the plates are oceanic lithosphere, a subduction zone will form. An oceanic plate will soak back into the mantle. Remember, oceanic plates are made from mantle material at midocean ranges.