Answer:
plants
Explanation:
all green life gives us oxygen, and in turn we give c02 or carbon dioxide
Answer:
Explanation:
Science is the study of the nature and behaviour of natural things and the knowledge that we obtain about them. A science is a particular branch of science such as physics, chemistry, or biology. Physics is the best example of a science which has developed strong, abstract theories.
Five key descriptors for the scientific method are: empirical, replicable, provisional, objective and systematic.
Answer:
<em>I assumed this question was a fill in the blank. :-)</em>
- Hypertonic
- Greater
