Which of the following statements is true?

•nuclear power plants can decrease fish populations.

•solar power is expensive and not widely used.

•coal and oil are considerand nonrenewable resources.

•all of the above.

Name one similarity and one difference between the morphology of a brachiopod and a bivalve

Which of the following is not a defining characteristic of plants?

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