The superior-inferior dimension of the thoracic cavity increases due to contraction of the . Select one: a. diaphragm b. sternocleidomastoid c. rectus abdominis d. internal intercostals e. transverse abdominis

After agricultural soils are picked up and carried by a river, how are they deposited in the river’s del which is not a cause of desertification? a) light grazing b) contour plowing c) conversion of rangelands to crop lands d) high population density