According the the kinect theory, what is the kinect energy of a gas molecule proportional to?
a. volume of gas
b. pressure of gas
c. temperature of the gas
d. density of the gas

What is the study of how matter and energy interact? a. biology b. physics c. planetary science d. chemistry

In this synthesis reaction what products will form

What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots