I think that it’s c, sorry if it’s not
Answer:
The water cycle
Explanation:
All our sources of fresh water, like rivers, wells, and aquifers, are dependent on <u>the water cycle</u> to replenish and maintain themselves.
In the 31 countries at the bottom of the list, 28 of which are in sub-Saharan Africa, a person can hope to live on average only 46 years, or 32 years less than the average life expectancy in countries of advanced human development, with 20 years slashed off life expectancy due to HIV/AIDS.
Answer:
12 Sides
Explanation:
Since an interior is 150 degrees,it's adjacent exterior angle is 30 degrees