5. Which of the following produces the loudest sound? a A sound wave with a high frequency
b A sound wave with a low frequency
C A sound wave with high amplitude
d A sound wave with low amplitude
e None of the above​

What happens when chlorine reacts with bromine? a. electrons move from the chlorine atoms to the bromine atoms. b. electrons move from the bromine atoms to the chlorine atoms. c. electrons are shared between the chlorine atoms and the bromine atoms. d. electrons become delocalized among the atoms.

Which branches of natural science include the study of an organism that lived 10 million years ago

Efficiency is the ratio of to for a system a)power in to power in b)power in to power out c) power out to power out d) power out to power in