Mark weighs 254 pounds and would like to lose weight. he starts a walking program that expends 1.2 kcal/pound/hour. if he walks 45 minutes a day for one week, how many calories will he burn in one week?

What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?

Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. this type of feedback mechanism best describes a positive or negative

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