A scientist studies the amount of food gerbils eat based on how much
exercise they get. He has 100 gerbils. The scientist has each gerbil perform a
different amount of exercise and records how much food the gerbil eats.
What is the responding variable in this experiment?
O
A. The total number of gerbils
O
B. The amount of exercise performed by the gerbil
O
C. The amount of food eaten by each gerbil
O
D. The amount of sleep each gerbil gets

An atom of lithium-7 has an equal number of(1) electrons and neutrons(2) electrons and protons(3) positrons and neutrons(4) positrons and protons

What best discribes the relationship between wavelength and frequency in a electromagnetic wave

In vapor-liquid equilibrium in a binary mixture, both components are generally present in both phases. how many degrees of freedom are there for such a system? the reaction between nitrogen and hydrogen to form ammonia occurs in the gas phase. how many degrees of freedom are there for this system? steam and coal react at high temperatures to form hydrogen, carbon monoxide, carbon dioxide, and methane. the following reactions have been suggested as being involved in the chemical transformation: