The cumulative result of carbon dioxide, methane, and ozone in the troposphere on atmospheric temperatures is referred to as: . a- photoionization
b- acid rain
c- the greenhouse effect
d- photodissociation
e- photochemical smog

The answer is c) pyrite

Well technically there are two correct answers b and d. but for you its probably b in general.good day sir/ma'am : ) (i know not gender)

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.