Answer:
To test hypothesis and learn more about the world around us. We don't want to live in the dark, now do we? its human nature to wonder and imagine and explore. It's the major quality that makes us even human.
Explanation:
if you were looking for a long answer there u go XD. but a shorter one is just to learn about the world around us.
They find shells that other crabs have left behind and use them
Answer:
left ventricle
Explanation:
left ventricle pumps oxygen rich blood to the body (away from the heart, so through the arteries)
Answer:
a) Radiant energy --> chemical energy
