Hydrogen is used by plants which combine it with carbon during the photosynthesis process and release oxygen into the atmosphere which is used by all living beings.
Middle class P.................
32%=0.32=8/25
66%=0.66=33/50
75%=0.75=3/4
50%=0.50=1/2
:)
Answer:
Earth is just the right amount away from the sun, if it was too far away it would be cold. If it was too close, it would be too hot.
Explanation:
