Becuase they were fully aquatic unlike tetrapods today
Is this supposed to be multiple choice?
The three I know of is unsaturated, monounsaturated, and poll polyunsaturated.
There's a trans one too, but it's not natural.
Answer:
Planet A: Mars
Planet B: Earth
<em>Explanation</em>:
I got it right on Edge 2020, your welcome :)
The box stopped moving because the force stopped pushing . The average speed of the box would be 5 meters per second
Answer:
B
Explanation:
Cytoplasm is like air in the city analogy
