Answer:
I think that 142.5 is the answer.
Answer: 86.1
Explanation: because i did this in 7th grade
Answer:
radio waves
Explanation:
On the far left of the diagram are radio waves, which include microwaves. They have the longest wavelengths and lowest frequencies of all electromagnetic waves. They also have the least amount of energy.
b
Explanation:
oh will combine with h to form water
Mesosphere is not one of the compositional layers of earth