The element present in every organic compound is a) calcium. b) carbon. c) iron. d) oxygen.

Which of these statements are true about scientific theories and hypothesis

As the human population grows, what happens to our natural-resource requirements? o they increase o they decrease o they do not change. they go in cycles

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