Which is one factor that increases the speed of a sound wave? O higher temperature
O lower temperature
O traveling in a liquid rather than a solid
O traveling in a gas rather than a liquid

As the human population grows, what happens to our natural-resource requirements? o they increase o they decrease o they do not change. they go in cycles

(amoeba sisters video recap: pedigrees and need

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.