If a thermometer is graduated in tenths of a degree, to which place should the temperature be measured?

a. Tenths
b. Tens
c. Thousandths
d. Ones
e. Hundredths

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   

Answer earth,water,fire and air;