Why does it become difficult to read old fossils?
a. older fossils are difficult to obtain because they’re extremely deep in the earth’s crust.
b. older fossils are biologically less important than newer ones.
c. older fossils provide less information about evolution.
d. older fossils are only formed by sedimentation.

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

Which set of terms best describes a community of miners who live out in the countryside of west virginia and use specialized geological equipment to analyze the composition of rock?

Why were the results whit just water so much different than the trials with the detergent ?