Where do Continental air masses form over? (I NEED THIS ASAP PLEASE HELP ME)

How do symptoms created by inflammation the doctor

In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.

Which number represents a basic ph, 4 or 9? numerical answers expected! answer for blank 1: i'll give