Answer: Exhaled air consists of 78 percent nitrogen, 16 percent oxygen, 4 percent carbon dioxide and potentially thousands of other compounds.
Explanation: Does this help???
Is there only one answer to the question? If so, I would guess communicating. Although analyzing influences and setting goals could be correct as well.
In this case, the experiment suggests that the dose-response relationship is linear.
<h3>What is a linear effect?</h3>
A linear effect occurs when the independent and dependent variables are proportionally related during an experiment.
In this case, the doses are linearly (proportionally) related to the response of the individuals (rats).
The linear effects are very common in experimental procedures and nature as well.
Learn more about linear effects here:
brainly.com/question/6691346
Answer:
I believe it's false because it's till 13 I belive
