Dieldrin is a pesticide that is effective in killing?

Ibelieve it is b. proton.hope my answer has you : )

Answerδh > 0explanationc₆h₆  (s)  → c₆h₆ (l)if you are changing it from a solid to a liquid, you are pretty much melting the solid. this requires heat energy. therefore, the reaction is endothermic (takes in energy); the system enthalpy increases as the reaction proceeds: δh > 0.

It is a ok  i know i have a brain functioning well.                                                                                                                                                           

Try adding 700% because of the x in y