There have been 5 Mass Extinctions throughout Earth's history.
<u><em>Answer: Formation differs in that protostomes form a coelom when the mesoderm splits, whereas the deuterostomes form a coelom when mesoderm cells combine, resulting in the body cavity. This formation occurs during the gastrula, or three-layered structure stage of development.</em></u>
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<u><em>Explanation:</em></u>
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Answer:
I'd Say A because it talks about slowing down the plants and removing stuff from the soil. Fire and smoke only cause problems for the surrounding area by blocking the sun and burning the ground, removing materials plants need for life. Then when it rains all the acidic stuff kills the ground as well.
Explanation:
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Hello!
False! They vary from crystal to crystal. Nothing is ever honestly the same size of one another, especially not crystals. They're all different, like snowflakes.
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