Answer:
Series
Explanation:
Because I listen to my science teacher
The answer is A! Europe and South America
Answer:

Explanation:
The rest energy is the energy associated with the base ball at zero velocity which is expressed as

Note: the speed C is the speed of light which is expressed as 3*10^8
while the kinetic energy is the energy associated with the ball during its motion and is expressed as

the ratio can be expressed as

The last one with the guy in the light yellow shirt