Which statement best explains how cyclones form? a. isobars connect the same pressure readings on a weather map. b. air moves from centers of high pressure toward a center of low pressure in a spiraling pattern. c. two different air masses meet, but neither moves into the other one. d. cold, dense air flows toward warmer, less dense air, so a cold front ends up moving faster than a warm front.

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?

Which of the following is not a potential result of deforestation?

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