What vein collects blood from the entire small intestine and two thirds of the large intestine?

Explain two reasons you think it is important for scientists to search for new ways to treat cancer

Which process in respiration happens first? a)pyruvate processing b)electron transport chain c)krebs cycle d)glycolysis

Analyze how the water cycle affects a food web. now list 3 examples for each below using complete sentences, on how too much water would affect the same web? how about to little water?