Do fish fart cause i wanna know answer pl

Wich organism obtains its energy from dead or decaying matter

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite

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