Read the reading below carefully, and then complete it with the best option A, B, C or D given below:
Conservation, sustainable use and protection of (1) ______ resources including plants, animals, mineral deposits, soils, clean (2) ______ , clean air, and fossil fuels such as coal, petroleum, and natural gas. Natural (3) ______ are grouped into two categories, renewable and nonrenewable. A (4) ______ resource is one that may be replaced over time by natural processes, (5) ______ fish populations or natural vegetation, or is inexhaustible, such as solar energy.

Conservation, sustainable use and protection of (1) ______ resources including plants, animals, ...............