The only independent variable in this experiment is the amount of nitrogen Sarah uses. All of the other variables are dependent on other factor and processes, but Sarah controls the amount of nitrogen that she uses for each plant.
Answer:
I believe the answer is C) Carbohydrate
Explanation:
Sugar gives you fast energy, and it is not long term like a lipid, so the answer is C.
There are five major types of infectious agents: bacteria, viruses, fungi, protozoa, and helminths. In addition, a new class of infectious agents, the prions, has recently been recognized
1,3,5,6 ...............................................
