Answer:
A.
Explanation:
Older fossils tend to lay in the lower levels of the ground. The further up the fossils are, the more likely you are to find something that looks like today. Think of it as stacking papers with different drawings on them from different ages. Oldest goes on the bottom, newest goes on the top. The older layer stands as more of a foundation point while newer layers are around where we are now.
Answer:
that depends on what you were testing for but is it always good for it to come up negative for any diseases
Explanation:
In shallow water, there is more sunlight to keep the organisms warm and more oxygen.
<span>What is an ecological system called that consist of all of it to biotic and abiotic factors?
</span><span>B. Ecosystem
I hope helped (^-^)
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