Heating/Cooling of a house takes up about 47% of energy and uses tons of natural gas. I’m not sure if you’d refer to this as an air conditioner or something else.
The pre-teen years occur during the juvenile <span>stage, from 9 to 11 years of age.</span>
Oxygen ... The biogeochemical cycle of phosphorus differs from the cycles of carbon and nit.
Answer:
D
Explanation:
D. The second cell would not be able to produce as much food because it could not capture sunlight.
I would say D because both populations are constantly growing and it would be natural selection so it works out if humans just back off