True or false: cones the eye see black, white, and shades of grey.

Why girls are tan and why they fake tan

According to proper standing posture, from a side view, which parts of the body should be aligned? a. ear, shoulder, hip, knee, and ankle b. stomach, hip, knee, and ankle c. nose, shoulder, hip, knee d. ear, shoulder, fingers, ankle

What are three important public health tools for addressing heart disease? identify the tools, and explain why they are a benefit to public health. you! : )