Answer:
Melting glaciers when the lakes took their present form.
Nowadays, it's precipitation, rivers, and groundwater springs that bring new water to the great lakes.
Explanation:
D
Because societies Being organized financially will help balance everything in the long term
Did you mean wave(s)?
If so, p and s waves should be your answer.
Hope this helps!
Gas bases, Power Plants, etc
A, it is the current era, and D, it was also known as the age of mammals.