Explain what these words mean

evaporation
accumulation
condensation
transpiration
respiration
precipitation
perspiration
(in your own words)

(there is two words of each in some)

Evaporation: the process of water or any liquid turning into a gass or vapor
Accumulation:the gradual gathering of something 
Condensation: water collecting as droplets on a cold surface in a humid or hot space
Transpiration: a plant absorbing the water in from its roots
Respiration: breathing
Precipitation: rain
perspiration: sweating 

Ch4 and ph3 are both covalent since they are composed both of non-metals.    ch4 is non- polar because of  london forces and has a geometry of tetrahedral  ph3 , on the other hand, is umbrella shaped polar and has dipole-dipole intermolecular force (imf) . since ph3 is polar, it has a stronger imf   

I'm sorry i cant you if you don't list the elements : (