Answer:
The Earth's crust is broken into plates that lie over the mantle. Because the mantle is hotter toward the interior and cooler toward the exterior, convection currents occur, which causes the plates to move above them. ... Volcanoes, earthquakes and mountain building or orogeny are found along plate boundaries.
Explanation:
Answer: The answer is D. Hope this helps :)
Explanation:
Answer:
46 chromosomes and the zygote cell
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Answer:
B
Explanation:
I personal will go with B cause viruses attack your immune system then destroy healthy cells then copy it self through out the rest of the body.
Answer: D
They often occur spontaneously, because when energy is released during a chemical reaction it does not usually happen slowly.
