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

I'm sorry to hear that. i will try to answer your other questions if it is within my ability. : )answers: my favourite colour is black.my favourite food is pasta.my favourite school subject is english, but i do also like lunch time.my least favourite subject is history as well as geography. i have currently garnered a quite equal hatred for both of the subjects.what about you? well, you for the points. : )