What pressure in atmospheres is equal to 45.6 kpa?

Which best describes why nh4+ can form an ionic bond with ci-?

Drug abuse will not lead to physical and psychological dependence. true or false ?

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.