Which of the following is TRUE about the circadian rhythm? A. It is a cycle controlled by the hippocampus

B. It is a cycle that takes about a day to complete

C. It consists of the changes in a persons heartbeat throughout the stages of sleep

D. It is when most dreams occur

The biome pictured above is found in areas such as kenya and south africa. the land is grass-covered with very few trees and gazelles and other grazers are common here. why does this biome have a low population of trees? a) large grazing animals destroy the trees. b) it is a deforested rainforest with poor soil. c) it has high temperatures and low precipitation. d) it has a long rainy season followed by flooding.

"all the world's a stage" is a saying that draws a parallel between two totally different concepts: reality and drama. this type of comparison, made popular by a group of seventeenth century poets, is called: metamorphosis. metacognition. metaphysical conceit. metaphor. metaphysical poets.

Among the following environmental factors, which does not have a long-term impact on the composition of a region's soil? a. kinds of crops grown b. types of fungi present c. topography of the landscape d. variety of species of mammals e. number of freezes occurring annually