B green house gases is the correct problem
4275.
To find momentum you just have to multiply mass and velocity.
Answer:

Explanation:
From the question we are told that:
Weight 
Mass of Weight 

Generally the acceleration due to gravity on the Moon is one-sixth that on Earth.
Therefore
The equation for Weight on Moon is given as



Answer:
Light travels at a constant, finite speed of 186,000 mi/sec.
Explanation:
Light travels at a constant, finite speed of 186,000 mi/sec.