Which of the following contains both ionic and covalent bonding? 1)ch4 2)nacl 3)nh4cl 4)n2o4

Evaporation: this is when warmth from the sun causes water from oceans, lakes, streams, ice and soils to rise into the air and turn into water vapour (gas). water vapour droplets join together to make clouds! condensation: this is when water vapour in the air cools down and turns back into liquid water.

Ci hope  it  you

Idont know. if you want an answer you need to give us some context dude.