Answer:
9.27 cm per year
Explanation:
The island is 5.1 million years old
it is 473 km away from the hot spot, to
the average rate of motion of the Pacific plate in cm per year = 473 Km / 5.1 million = 473 × 1000 × 100 cm / 5100000 = 9.27 cm per year
A caldera is a large depression formed when a volcano erupts and collapses. During a volcanic eruption, magma present in the magma chamber underneath the volcano is expelled, often forcefully. When the magma chamber empties, the support that the magma had provided inside the chamber disappears.
Answer:
A. Primary Economic Activities
Explanation:
The answer is D. Gravity.
Gravity attracts objects to the surface of the Earth. Take a falling brick, for example, the brick has more mass, therefore, there is more attraction between the brick and Gravity. The brick is a solid object and is heavier as well.
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Answer: In solution because they have dissaolved and mixed with water so they are carried down the river.
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