Keeping doors and windows closed the environment because

a: it conserves heat energy in winter and cool air in summer

b: it eliminates residential dust from entering the atmosphere

c: it is an easy and important fire safety action

d: it prevents pollutants from entering the home

fas

One of the purposes of transcription is to produce a sequence of bases that

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

How can an organ, such as the lungs, work for multiple body systems?