Answer: changed by molecular oxygen
Explanation:
Biologically induced molecular oxygen (dioxygen, O2) started to accumulate in Earth's atmosphere and changed Earth's atmosphere from a weakly reducing atmosphere to an oxidizing atmosphere.
Produces 4 daughter cells
The spoon is best use for consuming macaroni over toothpicks, The scissors are better at collecting than consuming, The plastic cup represents the stomach of the bird
Hey there!
Option 1 would be correct. Allopatric Speciation occurs when new species arise, resulting from the result of geographic isolation.
I do hope this helps. ~Alexa
