Im guessing the increase of GMO foods and excess preservatives and chemicals that may provoke certain food intolerances and allergies.
Answer:
Oxygen is one and i can't think of others
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Answer:
Plant
Explanation:
Plant cells contain cell walls made of cellulose, although there are cell walls too in fungi and in bacteria (not all).
Answer:
Molecular biology, the branch of research concerned with the study of chemical properties and biological phenomenon mechanisms concerning the fundamental units of life, molecules.
Explanation: