Ive been stuck on this on You have a total of 46 chromosomes, 23 from each parent. * true or false 1st is brainliest

Air pollution is only caused by human activity, select the best answer from the choices provided ot of true or false

What are two reasons for why a species might disappear from the fossil record?

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