Can someone help with this question plz

Is a pencil falling to the floor anon contact force, a force, or a contact force

Which statement justifies that hydrogen peroxide (h2o2) is a polar molecule? the o – h bond is nonpolar and the molecule is asymmetric. the o – h bond is nonpolar and the molecule is symmetric. the o – h bond is polar and the molecule is asymmetric. the o – h bond is polar and the molecule is symmetric.

What can be done to make a solid solute dissolve faster in a liquid solvent?