Bromine, it's the only element that isn't a metal
The atmosphere provides C02 for us, it protects us from the Sun's UV rays, it protects us from many objects in space that could crash into earth without it, and it holds the moisture in the air.
There are 76 atoms in total
The moon should be between the sun and Earth
Answer:
A and D are the answers
Explanation:
the other two don't make sense
