the correct method would be multiplying the speed of light by the time it takes to travel from the moon to earth. this is because:
so= space at the start (origin)
v=speed or velocity
by multiplying miles/second by seconds you get miles as a result.
the correct answer is a.
when the tree's cut down from deforestation it will make all the animals,reptiles,and birds leave there habitat and the animals will not have place to go and they will died from hunger.