Not 100% sure but B sounds the most likely from what I've read...
Answer:
Chemical contaminants can be present in foods mainly as a result of the use of agrochemicals, such as residues of pesticides and veterinary drugs, contamination from environmental sources (water, air or soil pollution), cross-contamination or formation during food processing, migration from food packaging materials, ...
Chemical contamination occurs when food is contaminated by chemicals. ... Chemical contamination occurs when food is contaminated by chemicals. Some of the most common causes of chemical contamination are cleaning products or pesticides and herbicides from unwashed fruit and vegetables.
the first one
Explanation:
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<span>Being offered an illegal drug
No matter who it's from, you must NEVER accept to try.
Say NO and leave asap</span>
The answer is:
Age
This is because if your young your organs are not as developed. When your older your body handles more because it is developed fully.