Select the biochemical roles of cholecystokinin, or cck. stimulates the secretion of sodium bicarbonate by the pancreas stimulates the secretion of digestive enzymes by the pancreas activates pancreatic zymogens to form active enzymes stimulates the secretion of bile salts by the gall bladder

The CCK stimulates the secretion of digestive enzymes by the pancreas, and stimulates the secretion of bile salts by the gall bladder.

Explanation:

The cholecystokinin (CCK) is a hormone that has a very important role in the digestive processes.

The CCK is secreted by mucosal epithelial cells in the small intestine, specifically the duodenum segment, and has several functions during the digestive process. The CCK stimulates the release of digestive enzymes from the pancreas, and it signals the gall bladder to contract and pour its contents (bile salts) into the small intestine. Other functions are the inhibition of the gastric emptying, the stimulation of the intestinal motility, the secretion of glucagon (together with the hormone gastrin), and the increase of the pyloric sphincter contraction (together with the hormone secretin).

increase soil erosion                                             reduce soil erosion

cattle grazing                                                         hydroseeding

deforestation                                                         contour plowing

                                                                                planting vegetation

plant roots basically hold the top soil

together and stop soil erosion because

in such situation top soil is not removed

during flood but cattle grazing causes

soil erosion because cattle consume the

grasses and herbs and top soil is exposed.

same situation occurs because of

deforestation, the trees and plants are cut

down to expose top soil which causes soil

erosion

"d.) carbon dioxide and hydrogen sulfide"