B. An oak tree grows from the seed material in an acorn
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Answer: <u>Air would rise and move towards the poles </u>hope this helps you out :) Please let me know if you have any more questions
I would say C if thats not right then its problable D
20% of the Earths crust is made up of non-silicate minerals
Answer:
It will overpopulate and harm
Explanation: without a predator the frog will most likely hurt the native animals and plants which isn’t good for the environment.