The answer is 2. because a geographer studies the effects it has on people, so hes studying the volcano because it has affected people.
Running water is the leading cause of soil erosion, because water is abundant and has a lot of power. Wind is also a leading cause of soil erosion because wind can pick up soil and blow it far away.
<span>Mercury has 0.0553 earth's mass and has no natural satellite. It
is the planet closest to the sun and also the smallest, its surface is
rocky and solid like the earth, has a diameter of 4879 km and is formed
mainly of metal elements. <span>Its orbit around the sun is 88 days and its temperatures are extremely high due to its proximity to the sun.
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I hope my answer can help you.
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