Aseven-year-old boy breaks his tibia and requires immobilization by a hard cast for six weeks until the break heals. a potential consequence of this therapy is atrophy of the a. serratus anterior. b. trapezius. c. pectoralis major. d. gastrocnemius.

stratosphere: as the altitude increases, the air temperature increases. the stratosphere has a layer of ozone, called the ozone layer. this layer absorbs most of the ultraviolet radiation from sunlight. this results in the stratosphere being warmer.

genetic variation will increase because of a new habitat and food source.

explanation:

your answer is going to be physical weathering