If a sealed syringe is heated, in which direction will the syringe plunger move? a. out b. in c. the plunger will not move. d. the direction cannot be predicted.

What’s the student’s scientific question

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.

Across of blue x blue (both heterozygous) would result in