Finding a trilobite fossil in a desert tells you what about the past history of that environment? question 6 options: it was always a desert. it was once under water. it was once a primordial forest. it was once a frozen tundra.

What is mitosis and how does it affect change

Dna is the genetic material that makes up living things, and folic acid plays an important role in the information of dna. jon wants to study the effect of folic acid on dna formation in microbes. which statement accurately describes the variables in this study

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