Given below are two statements, an Assertion (A) and a Reason (R). which mean an increased concentration of carbon dioxide in the air, including burning of fossil fuels, deforestation, land-use changes, livestock production, waste management and industrial processes. Choose the correct answer.

Both the assertion and the reason are true, and the reason explains the assertion.

The assertion says that in the man and environment relationship a person should observe and assess before using resources.

The reason points to anthropogenic activities as what mainly shapes this relationship.

Those activities, such as burning fossil fuels, deforestation, land-use change, livestock and industry, raise carbon dioxide and force careful assessment.

The reason thus supplies the human pressures that make the assertion's watchful approach necessary.

Weighing costs before use is the guiding idea behind sustainable resource management.