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Physical environment refers to the inanimate things like air, water, soil, rock, etc. the biological environment is all living things big and small, plant or animal, and microbes etc.
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Answer:
the nucleus of a sperm (a male reproductive cell) fuses (combines) with the nucleus of an egg (a female reproductive cell; also called an ovum ). Hope this help :)
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Answer:
i think it's 1,4 :)
Explanation:
because that seems like isolation to me
It could be hives <span>hives are allergic reactions to something you've touched or ingested, such as a food or a medication</span>