Question 4 (2 points) Your friend just challenged you to a race. You know in order to beat him, you must run 15 meters within 20 seconds in a northern direction.
What does your average velocity need to be to win the race? (2 points)
A) .5 meters per second north
B) .75 meters per seconds north
C) 1.3 meters per seconds north
D) 300 meters per second north

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

Select the correct answer from each drop-down menu. in an experiment, dr. travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. the amount of calcium is variable. the risk of bone fractures .

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