What do trenches and mountain ranges have do with the Ring of Fire and plate tectonics

if you drain the water out of the Pacific Ocean it would cause a series of deep ocean trenches that flow parallel to volcanic arcs along the ring of fire, which the arcs then create continental mountain ranges and islands

step-by-step explanation:

whole numbers, zero or greater

hydrocarbons are organic compounds that contain only hydrogens and carbons. they can be saturated (those which contain only carbon-carbon single bonds) or unsaturated (those which contain carbon-carbon double or triple bonds) in nature. hydrocarbons can undergo several reactions like substitution, elimination etc.  

on substituting one or more hydrogen atoms in hydrocarbon it results in the formation of haloalkane. as the halogen atoms are large compared to the carbon and hydrogen atoms, due to which the molecular weight increases and the bond become polar because of presence electronegative halogen atom and results in the increase in boiling point of the haloalkane.

thus, the correct option is (b) that is the boiling point of the new compound increases on substituting a hydrogen atom with a halogen in a hydrocarbon.