Question 1 of 10 A scientist is responsible for monitoring water quality in a river that flows by a large city. She monitors the levels of many substances. This helps her determine the city's impact on the river water. Which substance does she not need to monitor? O A. Phosphates B. Nitrates C. Bacteria D. Carbon

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.