Question

Write two characteristics of atmospheric gaseous mixture.

Answer 1

it helps us to live

nitrogen is the most prominant gas

Answer 2

Gases have neither positive shape nor distinct volume. They extend to the extent of their holder.

Gases have low thickness, except if packed. They involve significantly more space than the fluids or solids from which they frame.

An inside burning motor gives a decent case of the simplicity with which gases can be compacted.