Explanation:
Bad water quality can impact the ecosystem by pollution. Pollution can lower the oxygen levels. It can also kill plant and animal life in an ecosystem. The living things in the water could die and it could also affect the water we drink. If the water is not clean we could also get sick.
Answer:
C- a duck catching and eating a snail
Explanation:
Biotic factors involve living things. The only choice with two living beings interacts would be C.
Answer: D. Current atmosphere CO2 levels would be increasing more slowly.
Explanation: A P E X
The fuel that comes from decayed organisms is petroleum
Answer:
Mass is the amount of matter in a substance measured in kilograms
