Mutualism is a symbiotic relationship where . A. both species benefit

B. one species benefits and the other is unaffected

C. one species benefits and the other is harmed

Loss of protected health information collected for research should be directly reported to:

How does human environment effect the biosphere

Which of these is an example of land degradation? a. containers designed to store pollutants leak. b. fertilizers provide too many nutrients to crops. c. garbage is buried so the land can be reclaimed later. d. a drought kills all the plants in an area, leaving bare land