Question

Air and water are substances.​

Answer 1

Nitrogen (N2) 78%

Oxygen (O2) 20%

Noble gasses 1%

Carbon dioxide (CO2) 0,03%

Water vapor (H2O)

Water is an inorganic, transparent, tasteless, odorless, and nearly colorless chemical substance, which is the main constituent of Earth's hydrosphere and the fluids of all known living organisms. It is vital for all known forms of life, even though it provides no calories or organic nutrients