There you go , This is my work i have did on that subject area
A.Transform
B.Divergent
C. Convergent
An atom is the smallest unit of ordinary matter that forms a chemical element.
oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus.
The answer is 18 you multiply wavelength (6) times frequency (3)
the answer is The average kinetic energy of the surrounding air particles increases.
hope it helps