Efforts to discover whether the intelligence of children is more heavily influenced by their biology or by their home environments are most directly relevant to the debate regarding a) structuralism versus functionalism. b) evolution versus natural selection. c) observation versus introspection. d) nature versus nurture

D. nature vs. nurture

Explanation:

For many years, scientists around the world have been discussing and weighing the origin of human intelligence. Many people, scientists or not, believe that intelligence is something natural that is born with the individual as a result of a genetic factor, that is, intelligence is something natural; On the other hand, other people believe that intelligence is the result of the environment and the way we were created. There are also those who believe that intelligence stems from the interaction between genetics and environment. Regardless of which theory you believe explains the origin of intelligence, we can say that the debate created to find out if children's intelligence is most strongly influenced by their biology or their home environments is most directly relevant to the nature vs. nurture debate.

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explanation:

b. lithosphere, asthenosphere, mesosphere   is the answer most likely