B is the answer Gathering evidence through observations and experimentation!
Rejected?what do you mean?
<span>The use of pedometers has benefited people at
high risk for type 2 diabetes because these people need plenty of exercise, and
pedometers can show them just how much activity they get so they can adjust if
they need to</span>
Answer:
The heart is a muscular organ in most animals, which pumps blood through the blood vessels of the circulatory system. Blood provides the body with oxygen and nutrients, as well as assisting in the removal of metabolic wastes. In humans, the heart is located between the lungs, in the middle compartment of the chest.
Sometimes people are mean because they are jealous or depressed. Sometimes they are sad or are going through something them self