As a child, Jamie suffered from rheumatic fever, which caused some major damage to one of her heart valves. Otherwise she is healthy. . However, she's been advised against getting body piercings, and her dentist gives her antibiotics before performing some dental procedures. What is the concern?

Which food preservation method can people use at home? a. fermentation b. irradiation c. pasteurization d. thermal processing

During polarizacion potassium has a blank charge sodium has a blank charge and calcium has a blank charge

Karen is waiting by the lockers before school for her friend richard. they had agreed to look over the history review sheet together to be ready for the test later that day. richard shows up late with uncombed hair and wrinkled clothes. karen: "you're five minutes late and you look like a wreck! " richard: (slams his locker) "you know, i don't have time for this." karen: "fine! figure out the test on your own! "