Water vapor makes up what percentage of atmospheric gases?
30 percent
10 to 23 percent
0 to 4 percent
20 to 42 percent

0 % to 4 %

Explanation:

Air contains a variable amount of water vapour.

It usually runs around 1 % to 2 %, but it can be as low as 0 % and as high as 4 %.

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.