Which of the following plant structures serves to absorb sunlight so that photosynthesis may occur?

Freckles are a dominant trait in humans. both of the girls have the genotype ff for freckles. if either one marries a man with no freckles, what are the chances that their children will have freckles?

What drives the atp synthase reactions that produce atp

Why does the earth spin slowly, not faster? is it possible to prove it scientifically? can you prove it with math?