In adults, where are the stem cells that make new cells to protect the
intestines?

A. In the bones
B. In the brain
C. In the layers of skin
D. In the digestive tract

Aperson is outside exercising. body temperature begins to rise, and the person starts to sweat. their body temperature then returns to normal, and the body stops sweating. a positive b negative c allosteric d homeopathic

What's the waste product of electrons and pyruvate combining in fermentation?  

Amarine ecologist has constructed the conceptual model shown in the diagram. what predictions can be made from using this model? where the tertiary consumers get their energy how often primary producers are able to reproduce when bacteria and fungi initiate the process of decomposition whether other secondary consumers are present