Which is a chamber that receives blood into the heart and drives it into a vebtriclr

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

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots

Were you able to observe the nucleolus in any of the cells if so which ones