Answer:
A
Explanation:
These are the correct layers in order of increasing altitude.
Http://www.collective-evolution.com/2014/07/07/new-study-finds-88-percent-of-earths-ocean-surface-no...
This should be of use here.
Answer:
Option D.) Groundwater
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It's option B.
I'm sure about that.
<h3>The vertebrate digestive system consists of a two-way tube with...</h3><h3>
</h3>
B. A one-way tube with a separate mouth and anus and accessory organs.