Well overpopulation puts huge dent in available food supplies. This results in deforestation to make both farmland and lumber for building to house everyone. deforestation create CO2, and depletes vegetation which would have absorbed CO2
"The author portrays the character with a few simple traits" would describe a flat character, since "flat" is the opposite of "deep" when it comes to showing different character trains, personality flaws, etc.
Green house effect is the trapping of heat by some gases ! mainly in our earth this is increasing due to CO2 !
All of the above are true
Answer: Groundwater is the term
