Answer:
a
Explanation:
because they are easily reduced and oxidised
Molecules, The movemnet of molecules
The answer to this is D. Green.
I think the answer is “greenhouse effect”
F=mg=Gm1m2/r^2
g=Gm2/r^2
g=2Gm2/(2r)^2=2Gm2/4r^2=Gm2/2r^2
So since there is half times the gravity on this unknown planet that has twice earth's mass and twice it's radius, then the person can jump twice as high. 1.5*2= 3m high