Some solar cells function by collecting electrons that are emitted from a metal or semiconductor due to sunlight shining on them. What principle are solar cells primarily based on?

Hybrid instruments that play sounds that are part sampled and part synthesized are known as:

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4