Answer:
For early earth, it was filled with loads of oxygen and could kill humans if they breathed the oxygen that was in the air about 100 million years ago. This massive amount of oxygen cause massive creatures like the dinosaurs to exist. Current earth has an atmosphere with not too much oxygen.
Explanation:
brainliest
An adaptation that makes bipedalism possible is the need to get around. If your slithering on the ground, you could get diseases, or get hurt.
Answer: I would meet my B12, calcium, and vitamin C needs, but I wouldn’t meet the recommendations for iron
Explanation: Its all about trustt my friends
This squirrel lives in a forest and eats only acorns. <span>The squirrel will starve if it can't find enough food. </span>