Less expensive source of energy is available.
hope this helped, please mark brainliest :)
Answer:
b is correct
it said I have to add more characters so yeah.
Answer:
We don't truly.
Explanation:
What we do know is that they appeared around the same time on Earth:
Moles were discovered 54.8 million years ago
Rodents were discovered 54 million years ago.
If you want to compare it number wise, then moles came first.
It would be a compound light microscope due to the fact that it can view specimens dead or alive and have at least 40x to 1000x zoom