A student is studying water fleas and measuring their heart rates as the number beats per second. What’s type of data is he recording?

Animals such as pronghorn antelope, bison ans badgers dot to the landscape. where are these animals located?

Which of these statements are true about scientific theories and hypothesis

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.