Tom's class has been studying natural resources in science. his teacher listed these two words on the board: oil, coal. tom's teacher asked them to think about why these two words are important to humans. why are resources such as oil and coal important? a) they are used as fuel. b) they are not important. c) they are used to grow plants. d) they are used in construction.

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