This topic contains a solution. Click here to go to the answer
 

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

There are more bacteria in your mouth than there are people in the world.

For a complete list of videos, visit our video library