Sediment; There is a source of heat that was not included in the question to create all the other choices.
Answer:
Agriculture and domestication probably started in the Fertile Crescent (the Nile Valley, The Levant and Mesopotamia). ... People probably started agriculture slowly by planting a few crops, but still gathered many foods from the wild. People may have started farming because the weather and soil began to change.
Explanation:
The availability of glucose energy necessary for memory consolidation is most likely to be enhanced by stress hormones.
These hormones, as well as growth hormones, sex hormones, and glucagon, have such an influence on liver that glucose gets secreted into the bloodstream. Glucose is important for many things in our body, and memory consolidation is one of them.
