How are 1 and 2 related? vertical angles

adjacent angles

complementary angles

supplementary angles.

The chemical form of energy that is useable by the cell to do work

In the practice of science, this type of reasoning is used to develop explanations.

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.