The solubility behavior of specific chemicals when in the presence of other chemicals as
determined by experimentation

Matter- occupies space and possesses rest massno matter is the opposite

Decomposition is the cycle at which bacteria breaks down any organic material into the soil

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   

The answer is true a geyser can reach up to 205 degrees fahrenheit