Which of these is a risk when using oil?

A. Acid mine drainage can pollute waterways.

B. Shale rock deposits can release gas.

C. Spillage can damage habitat and wildlife.

D. Fracking can cause earthquakes.

Apopulation of black bears depends on salmon from a stream for food. if a drought causes the stream to run dry one year, how will this likely impact the black bear population?

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time

Resperation is a way to release carbon back into the atmosphere