The hair breaks under a 1.2 N tension. What is the cross-sectional area of a hair?

I need an explanation or the calculation too, so I will not give points for only the answer.

Gather reliable information to brent make his decision. to gather this information, use newspapers, call insurance companies or look at their web sites, and review consumer magazines and web sites. also, look at the manufacturer web site or for information about gas mileage. list the sources you use and take notes.

7types of electromagnetic waves from lowest to highest frequency

How do forensic scientists analyze tool marks found at a crime scene? begin with the first steps and end with collection or storage for transport to the lab.