Answer:
i think its 1st option
<em><u>Ground</u></em><em><u> </u></em><em><u>water</u></em><em><u> </u></em><em><u>can</u></em><em><u> </u></em><em><u>come</u></em><em><u> </u></em><em><u>to</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>surface</u></em><em><u> </u></em><em><u>by</u></em><em><u> </u></em><em><u>natural</u></em><em><u> </u></em><em><u> </u></em><em><u>(</u></em><em><u>non</u></em><em><u> </u></em><em><u>man</u></em><em><u>-</u></em><em><u>made</u></em><em><u> </u></em><em><u>)</u></em><em><u> </u></em><em><u>processes</u></em><em><u>.</u></em>
The earth´s atmosphere protects Earth from meterorite impacts.
Answer:
polution
Explanation:
the use of fossil fuels releases carbon dioxide into the atmosphere and get trapped this then causes the earths atmosphere to warm up
<h3><u>Answer;</u></h3>
i) Population density
ii) Under population
iii) Over population
Population density is the number of people living in a square mile. In the future, economically developed nations may not have enough money to take care of older citizens because of underpopulation. In low-income nations, overpopulation is one reason for low standard of living.