Answer: grams;mass
Explanation: :) I took the test.
Answer:
frequency it the measure of the wave length. The measure of the peaks and troughs is how you measure the frequency. the distance between these is the wave length.
A synthesis would be A+B-->AB its combining, decomposition is AB-->A+B, its the breaking up of a substance.
My answer to the question is "Gas particles are acting like tiny,solid spheres".
