Whats the different between par-q and medical screening and medical evaluation

These tests are listed in order of increasing rigor. The PAR-Q is a written assessment that predicts one's readiness for exercise. The other three require the help of a health professional to complete. Medical screenings and medical evaluations are both performed by a doctor, but the medical evaluation is more in-depth. Finally, the exercise stress test is designed to test the response of the body while exercising vigorously. This test is usually only used when a problem is suspected that could endanger the participant's life.

this is not an education question

all soils contain mineral particles, organic matter, water and air the combinations determine the soil's properties – its texture, structure, porosity, chemistry and color. soil is made up of different-sized particles. sand particles tend to be the biggest.