Answer:
First level
Explanation:
The physical activity pyramid is a visual representation demonstrating how to increase physical activity until it becomes a part of daily routine.
Lifestyle activities are the first step of the physical activity pyramid.
Lifestyle activities are moderate physical activities that are performed daily. The examples for moderate physical activities are housework, yardwork, non-vigorous sports, taking the stairs instead of the elevator.
By the time food<span> and digestive juices reach your </span>large intestine<span>, most </span>digestion<span> and nutrient absorption has already taken place. The </span>large intestine's<span> major jobs are to absorb excess water and to prepare feces -- or undigested waste material -- for removal via the rectum and anus.</span>
B. Old Stone Age.........................
