Cellular respiration occurs in animals and plants
Answer:
A
Explanation:
from north to south , through England
Quick Answer. Collagen is the protein that all animals have in common, even single-celled animals and creatures such as sponges that lack differentiated bodies. Collagen is a cable-like protein that can calcify into bone, shell or other hard structures.
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Was there supposed to be a pic?
Answer:
Seasons are caused by the Earth's auxiliary tilt. As the Earth revolves around the sun the tilt causes the Northern ans Southern hemispheres to trade places.
Explanation: