Which option is the most accurate description of speed?

a: the dog ran around the block in eight minutes

b: the plucked guitar string vibrated at least 50 times

c: the goalie quickly moves left to block the goal

d: the hare finish the race before the tortoise

Afusion reaction takes place between carbon and another element. neutrons are released, and a different element is formed. the different element is a) lighter than helium.b)heavier than helium.c)the same weight as helium.d)dependent on the element that reacted with carbon.