Which correctly describes the effect of volcanoes?
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A. They cool Earth, due to the ash and gas released.
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B. They release pressure in Earth's crust, cooling the planet.
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C. They alter Earth's precession.
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D. They release heat in the form of magma, heating Earth.

Which of the following is a question of morality? a.) delierately reporting false data b.) accidentally reporting false data c.) kepping a sloppy record of experimental observation d.) condition a drug experiment which will harm a lab rats

As a result of wildfires, in grasslands. a) tree growth increases b) grass growth increases c) soil quality decreases d) invertebrate variety decreases

Which statement best describes how the loudness of the sound affects the high-pressure region created by the sound wave? a. a louder sound has no effect on the pressure created. b. a louder sound means a high-pressure region that is higher. c. a louder sound means a high-pressure region that is not as high.