They are difficult to work with... most ppl don’t want to cook
Answer:NH2 side group and COOH side group.
Explanation:
Answer:
so we can tell the time period of the fossils and learn more from what living things came before us
There would be a lot less agricultural land available, so it would be very difficult to support the human population. And the physical shape of the continents would look completely different across the whole planet; A huge drop in sea level of up to 120 metres would close down marine channels and create new areas of land that could be used for habitation or agriculture.