Answer:
a
Explanaiton that was what i think nasa told me i hope this helps
Low dissolved oxygen concentrations that occur in many bodies of water when nutrients stimulate the growth of algae that subsequently die and are decomposed by oxygen-using bacteria.
Answer:
The Romans ruled Pompeii in 79 CE - they year of the volcanic eruption.
The Himalayas Mountains provide a natural barrier between India and the rest of Asia. I hope this helps!!!
