Answer:
Superposition
Explanation:
Sedimentary rocks are deposited one on top of another. The youngest layers are found at the top of the sequence, and the oldest layers are found at the bottom.
Answer:
To replace dead or damaged skin cells.
Explanation:
~Hello there! ^_^
Your question: How often is CO2 cycled through the atmosphere?
Your answer: CO2 is cycled through the atmosphere in 350 years.
Hope this helps~
Answer:
Anterior end
Explanation:
You have a pretty good shot at guessing this, because the earthworm has very little going on at the posterior end except the anus. And you probably saw this in lab, too.
I've attached a picture of the earthworm anatomy. Worms can't smell in the strictest sense, but they can use their receptors as kind of a combo smell-taste thing, and those are located in the anterior end.