Changes in color and smell.
Most people are allergic to eggs, peanuts, milk, shellfish, wheat, and soy. Precautions you can take is to not cross contaminate, and not eat any foods your allergic to and always carry and Epi pen. Symptoms of a food allergy may be throwing up, hives, rashes, digestive problems, throat closing up, tingling lips, nausea, diarrhea, indigestion. A food allergy can last anywhere from a few minutes to two days long.
Normally endurance means hanging in for a long amount of time. This means more reps and less sets. Therefore the answer would be C.
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Conservation is the act of guarding, preserving and protecting. So conserving will help reduce air pollution because instead of letting thing go to the wrong garbage or whatever you can save and conserve and even reuse. decreases air pollution.