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
Is caused by vibration, can travel through a vacum, and travels in longitudinal waves<span />
No, bigger organisms have more cells.
Answer:
PP, Pp
Explanation:
Use your finger to cross the two figures on the outside parts of the Punnett Square; there are only two options.
Those are your answers.
Hope this helps.
-Gumina
Lotions, body cream, oils