One problem with the Economic Sector of Land Use and Forestry is: 1.People like to climb trees.
2.Trees are used to build homes.
3.Cutting trees down stops them from removing carbon dioxide from the atmosphere.
4.More land can be used for farming.

plz help.

The answer to the question is d

The correct answer is c. orbital shape. "the angular momentum quantum number l describes the shape of an orbital. it corresponds to each orbital type, i.e. (0,1,2,−1)=(s,p,d,f,g,"

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