I will give all my points For who ever answers this A ball rolls down a ramp. starting from rest. After 4.9 seconds, its velocity is
7 m/s. What is the acceleration of the ball?

1.43 m/s/s

Explanation:

vi=0m/s

Vf=7m/s

t=4.9

or 1.43 m/s/s

b because they naturally adapt to their environment plz mark brainliest

explanation:

carbon atoms, hydrogen, oxygen, and nitrogen.