Ques:Q: Where does the process of digestion start? Choices: - esophagus - stomach - small intestine - mouth A:

Ans:mouth
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Ques:Q: The renal hilum is the entry and exit site for structures servicing which organs? Choices: - ovaries - lungs - brains - kidneys A:

Ans:kidneys
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Ques:Q: What term is used to describe changes to an organism's dna and are an important driver of diversity in populations? Choices: - adaptations - pathogens - evolutions - mutations A:

Ans:mutations
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Ques:Q: What kind of a reaction occurs when a substance reacts quickly with oxygen? Choices: - invention reaction - Fluid Reaction - nitrogen reaction - combustion reaction A:

Ans:
combustion reaction
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