<span>The answer is, C. Antibiotics are often ineffective in treating older people who have deficient immune systems
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The answer is B. Stabilizing selection. Stabilizing selection is a type of natural selection. Stabilizing selection is the opposite of disruptive selection where extreme values of a trait are favored over intermediate values.
Answer: Genetically engineered crops produce higher yields, have a longer shelf life, are resistant to diseases and pests, and even taste better.
Explanation:
