Why is Biodiversity considered Earth's own “ Safety net”?

Which law represents a balanced chemical equation?

What is the importance of having the us forest service, the bureau of land management, the us fish and wildlife service, and the national park service? to manage land resources for conservation and the development of natural resources to manage land resources for conservation and the development of urban areas to preserve historical landmarks and manage the development of urban areas to preserve historical landmarks and manage the development of rural areas

Which of the follow describes a disadvantage secondary sources have compared to primary sources?