Why is it difficult to make models of objects in the solar system?

Which best describes how parents affect the genotype of a child? a.the parents decide what to feed their child b.the parents choose whether to educate their child c.the parents allow their child to stay up late d. the parents pass along genes to the child

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

_is a product of the first stage of photosynthesis.atpglucosecarbon dioxidewater