Bobby did not learn to read until he was an adolescent. When he did learn to read, it was much harder for him than it was for his peers. If Bobby had learned to read during the early and middle childhood years, he would have acquired literacy skills much more efficiently. Bobby's difficulty learning to read as an adolescent demonstrates the concept of a(n) " period."

Plants transfer carbon in the carbon cycle a. through assimilation of carbon from the soil. b. when carbon transpires from their stomatae. c. when they are eaten by animals. d. through fixation of carbon in the soil.plants transfer carbon in the carbon cycle a. through assimilation of carbon from the soil. b. when carbon transpires from their stomatae. c. when they are eaten by animals. d. through fixation of carbon in the soil.