Answer:
The value is 
Explanation:
From the question we are told that
The magnitude of the horizontal force is 
The mass of the crate is 
The acceleration of the crate is 
Generally the net force acting on the crate is mathematically represented as

Here
is force of kinetic friction (in N) acting on the crate
So

=> 
False because compound means two so a chemical compound is made up of two chemicals
I think it is False
hope this helps :3
Answer: Either electromagnetic radiation or energy is the answer to your question.