An in-breath is that you are breathing in Oxygen. And and out-breath you are breathing out Carbon Dioxide
True
Plants perform photosynthesis giving themselves their own food also while giving off oxygen so that we can breathe
The answer is the letter B. Carbon
Answer:
The answer is B: been reduced three fold and the population is experiencing genetic drift
Explanation:
I took the exam.
Answer:The same amount of matter exists before and after the change—none is created or destroyed. This concept is called the Law of Conservation of Mass. In a physical change, a substance's physical properties may change, but its chemical makeup does not.
Explanation:
