What are sustainable use practices? a. they are any materials that exist in nature and that are used by humans. b. they are the managed consumption of natural resources to prevent their depletion or the destruction of the environment. c. they are the deployment of fossil fuels to environments that previously did not have access to such resources. d. they are ways in which individuals are able to conserve wildlife.

Sustainable use practice are the management and consumption of natural resources to prevent their depletion or the destruction of the environment (B). Sustainable use practices are not the deployment of fossil fuels, but instead is often the practice of reducing the use of fossil fuels to support the sustainability of the environment. Sustainable use practices could support the conservation of wildlife, but the focus of sustainable use practices is through the "managed consumption" or careful use of natural resources which can also positively impact animals by conserving wildlife. Also the materials that exist in nature that are used by humans are considered, natural resources. 

Yes yes yes very good