Answer:
bcuz humans are supposed to release CO2 as a waste
product
The answer is organism.
Reason why:
A species is an environment of related organisms. A community is a population of common goals. A population is a headcount of how many animals there are of one animal kind.
Answer:
The most important abiotic factors include water, sunlight, oxygen, soil and temperature. Water (H2O) is a very important abiotic factor – it is often said that “water is life.” All living organisms need water.
Fossil fuels. Hoped this helped!!!! :)