Atrain accelerates at a rate of 2.5 km/hr/sec. during the acceleration period, its velocity changes by 55 km/hr. choose the exact time of the train's acceleration.

a. 1,200 s

b. 22 hr

c. 22 s

d. 0.045 s

Match each organ or function with its body system. produces urine large intestine ureters mouth filters blood absorbs nutrients from food

In a relatively small iguana population the allelic frequency is tracked for three generations. webbing is a recessive allele; no webbing is the dominant allele. during one very rainy spring and summer, a flood washes all the iguana without webbed feet out to sea. by the fall, and three generations later, you have the gene pool seen here.

Which of the following statements about c4 carbon fixation is not true? a c4 carbon fixation is an adaptation for plants exposed to high light intensityb. c4 carbon fixation occurs in more plants than c3 carbon fixation. c c4 carbon fixation is more common in areas of high temperatures than c3 carbon fixation. d. c4 carbon fixation occurs in the inner cells of a leaf rather than the entire leaf.