Answer:

Explanation:
Let's think about this from a human perspective (humans are multicellular organisms).
Humans inhale oxygen to use in cellular respiration. Carbon dioxide is the waste product of the process and it is exhaled.
Humans consume proteins and make proteins in protein synthesis. They are used for all sorts of things such as: hormones, repairing tissues, catalysts, providing structure, and more.
So, clearly, the substance that is let out is<u> carbon dioxide</u>. It is exhaled as waste when we breathe, but proteins are used inside the body.
Would be the best choice Third-degree Burn
Answer:
Communication between a spotter and lifter should take place __________.
A.
before lifting
B.
during the last set
C.
at all times
D.
while planning the routine
Explanation:
Answer:
It is the teacher's responsibilty.
Explanation:
Effective classrooms do not only focus on academic standards but the growth of the whole student. Learning hygiene is not always supported at home and the negitive social/emotional impact a child can suffer due to body odor will affect affect academic progress and behavior.