Answer:
genes
Explanation:
Certain people are born with genes that react differently than others thus causing food allergies.
Answer:
Experimental (Treatment A) and control (Treatment B)
Explanation:
When conducting experiments, two groups of test subjects such as people, plants, animals, etc are put in place and these groups must be identical in every but one aspect. The treatment is usually being given to the experimental group or treatment group, which could be inform of new medication, counselling, etc. while the control group would not receive any of such treatments in the process.
The primary function of sleep is not to restore the body yet to rest and restore the "Brain".
I believe the answer to your question is D.
