calculate how much memory is needed to store a foir minute music trackusing the of bytes needed per second from above​

David is in week 3 of his current ashford course and has a paper due by monday night at midnight. he has finished everything but the concluding paragraph. as he boots up his computer to work on it, he sees a flash across the screen and then the screen goes black. he begins to panic as he tries desperately to turn the laptop back on. david should have saved his work on what kind of portable device?

What is one reason why indoor air pollution has become an increasing problem.

How do you know if the website is secure if you make a purchase