Is using a hot pack an example an example of an endothermic or exothermic

Agas has a volume of 0.7 l at 300 mmhg. what would be the new volume at 900 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.

Why does asexual reproduction result in offspring with identicle genetic variation