The statement that most correctly describes surrogacy is C, fertilizing sperm and egg in a lab and implanting it into another woman's uterus. This is the definition of gestational surrogacy, which involves In Vitro Fertilization. Gestational surrogacy also means the carrier is not genetically related to the baby, only the father.
Answer:
Both the balloon and the object are positive
Phagocytosis; or even: pinocytosis.
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The answer is A: Mass extinction.
"Abrupt disappearance of many land and marine species" = extinction of many species.
What are his observations? We can’t answer this without knowing his observations if those are the conclusions. Please provide the rest of the information and I can answer.