C preserved bone because none of the others were enough
fossils are the preserved evidence of a past live organism ! ʕ ᵔᴥᵔ ʔ
body fossil : parts of the species physical anatomy
trace fossil : proof of a species existence and habituals
have a great week, you got this ! ✽-(ˆ▽ˆ)/✽
The advantage of using windmills would be that it is natural energy, and even if ita not as windy one day thats okay because the momentum from the previous day would still kept the windmill going, but with how high windmills are there will always be wind.
Ill be sure to do that
#savage