An object is in free fall .

(A) Only if the weight is the only force acting on the object
(B) Anytime it feels the force of gravity
(C) Only when it's moving vertically down
(D) Anytime it has an acceleration equal to 9.8 m/s/s

i think the answer is b... i am not sure

answer: d. a cme increases the amount of energy in the solar wind

explanation:

coronal mass ejections, also called cmes, are large clouds of plasma and magnetic field that erupt from the sun. only when the cloud is aimed at earth will the cme hit earth and therefore cause impacts. high-speed solar wind streams come from areas on the sun known as coronal holes.