Nitrogen is a gas because it is an airlike fluid substance which expands freely to fill any space available, irrespective of it's quantity
The top of a wave is called the wave crest.
Answer:
Yes
Explanation:
Yes, you can test this by comparing grades you received when you studied and when you did not study
Answer:
adds; convection
Explanation:
because in order for ice to melt, you need to add heat energy. convection is when you make something hot rise and something cold melt.