What is the total brightness gain for an image intensification tube with a minification gain of 25 and a flux gain of 50? A 3,250
B 1,250
4,250
D 2,250

Because of its structure the cell membrane is known as a phospholipid ? a. bilayer b. molecule c. fluid d. barrier

Which flexible structure that supports the nerve cord and led to the backbone

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