If a gas is cooled from 350k to 100 k and the new volume is kept constant, what is the final pressure if the original pressure was 300 mmHg?

If we compare and contrast electromagnetic waves with sound waves, all but one statement is true. that is a) sound waves require a medium to travel while electromagnetic waves do not. b) electromagnetic waves can travel through the vacuum of space while sound waves cannot. c) electromagnetic waves must have a medium in which to travel, but sound waves can travel anywhere. eliminate d) sound waves must bounce off of matter in order to travel while electromagnetic waves do not require matter to be present.

What is the relationship between particles in matter

What are some examples of anthropogenic atmospheric particulates?