Select the correct statement about the regulation of gastric secretion. a. the presence of food in the stomach prevents hormonal control of gastric secretion. b. gastric secretion is enhanced by very low ph (below a ph of 2). c. vagus stimulation of the stomach results in decreased secretion of gastric juice. d. gastric secretion can be stimulated before food has entered the mouth.

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explanation: bc blah

1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.

meiosis is the first to occur after the nuclei of opposite of opposite mating types fuse