What ecolutionary reason would cause an organism to live long?

Can someone i have no idea of how to do this.

What is one way intensive agriculture can contribute to climate change? a. tree loss to agriculture increases earth's albedo b. livestock manure absorbs greenhouse gases c. large herds of livestock release greenhouse gases d. fewer trees are available to replenish petroleum stores appex

What is the most important inorganic material for livings things? ! due tomorrow!