Mainly to make life easier.
if one layer changes than scientists don't need to change all of their data.
it also helps keep organized.
hope this helped
ebs02
:)
Answer:
The fact that you have a task set in mind is something that can make you persist. The urge to satisfy your need to finish that task with the sharp tool is what drives you to persist with using the sharp tool knowing what could be the possible outcome of using it.
Explanation:
Chlorophyll may be found in the cytoplasm of a prokaryotic cell
a scale-model mound made of the same materials that make the real hill
