CH3CH2OH can interact with other molecules through

What is important to study for nios grade 12 chemistry? i have only one month left.

Which statement accurately describes the relationship between air pressure, air density, or altitude? as altitude increases, pressure increases.as altitude increases, air density increases.air pressure and density are lowest at sea level.denser air exerts more pressure than less dense air.

Which substances have the lowest melting points: ionic covalent, or metallic