Answer:
Oral cavity
Explanation:
its first organ from which food enter
Answer:d.Paleozoic Era
Explanation:
Paleozoic Era is hallmarked by climate, animals & plants.
This Era includes the Ordovician Period, Silurian Period and the Devonian Period.
The Silurian Period is one during this era where aquatic plants and animals evolved.
Answer:
increase ozone in the stratosphere
The answer I believe is A EDIT: I changed my answer sorry for any confusion. It is A because glucose is also stored away to be used as energy later on when needed.
