The natural resources that maintain humans results in decreases the amount of resources. The correct option is b.
Natural resources are resources derived from nature and used with minimal modification. This includes commercial and industrial use, aesthetic value, scientific interest, and cultural value.
The environmental impact of so many people is manifested in two ways: consumption of resources such as land, food, water, air, fossil fuels, and minerals.
Consumption waste products include air and water pollutants, toxic materials, and greenhouse gases.
Thus, the correct option is b.
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