Answer: D. Surgical removal of a gland.
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<span>Ethology is a branch of zoology concerned with the study of animal behavior. Ethologists take a comparative approach, studying behaviors ranging from kinship, cooperation, and parental investment, to conflict, sexual selection, and aggression across a variety of species.</span>
Answer:
3. As a place for plants and crops to grow
4. As a material to clean and smooth skin
5. As a building material for homes and buildin
