Your mass will never change despite if you go to Jupiter, Uranus, Mars, Earth, or any planet.
Formula for distance is d=st
so for speed is s=d/t
48 km per hour
A) Geothermal
B) Hydroelectric
C)Biomass
D) Wind
I assume this is the four options you had, correct?
i think that biomass is the only one that would release the greenhouse gases. I once heard, it may not be true, that biomass has more co2 released than coal.