Answer:
Ovoviviparous
Explanation:
Embryos develop inside the mother's body using an egg yolk for nourishment is a mode of reproduction called ovoviviparity.
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B. Soil Contamination
All the other answers are talking about clean and pure things while this answer is the only negative one. So B is your answer.
B. subtract the frequency of the recessive allele from 1.
Answer:
Homologous structures provide evidence for common ancestry
