This a trick would it be c? or am i trippin..

answer:

ur answer is d

explanation:

because they have asked what % of energy comes from fossil fuels and petroleum,coal.and natural gas r all different types of fossil fueks so u gotta add them

i.e.%of energy coming from fossil fuels:

=37+24+23

=84%

the molecules move in straight line until they collide with each other or with the walls of the container. collisions are perfectly elastic; when two molecules collide, they change their directions and kinetic energies, but the total kinetic energy is conserved.

explanation:

level 4 to level 2 : ))