Explanation:
What happens during daytime is, oxygen that gets trapped between filaments of algae, moves them to the surface and during night as O2 is not produced, they slowly sink to lower depths, and you don't see them
First, tell your teacher that the Sun is not at the center of the UNIVERSE. He observatory that occasionally planets would travel backwards in the night sky & people also observed the moons rotating around Jupiter to prove his theory.
The idea that all living things are composed of cells and that all cells come from other cells defines the cell theory.
Hope this helps! :)
The cranium bones are held together by fixed joints called sutures.
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Hope this helps!
-Payshence xoxo</span>