Hi all!
Pls help me in these 2 simple questions.
Thanks in advance!

What are two ways in which waves erode the land?

The arrows indicate the direction of wind flow. which place experiences monsoons?

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.