HELP PLSS GIVING AWAY POINTS A. The atoms in the model would move perpendicular to the direction of the incoming wave.

B. The wavy arrows representing sound waves would go in the opposite direction

C. The atoms in the model would move parallel to the direction of the incoming wave.

D .The wavy arrows representing sound waves would have a smaller wavelength.

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

Aconcentrated solution of ammonia is 14.8m and has a density of 0.899g/l. what is the concentration of ammonia in this solution in weight percent (%w/w)?

What is the percentage of hydrogen in c2h4