When oxygenated blood is not delivered in a timely manner, the tissue will start to malfunction. oxygenated blood not delivered on time may be caused by hypoventilation, which is very dangerous and lethal. which will also result to high concentration carbon dioxide of the body
The correct answer is: [A]: "ecotourism" .
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Note that "recreation" is an example of a "non-extractive resource" .
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Food provides the raw materials for biosynthesis and energy for cell activities. The body needs food, for growth and development and also for energy; these foods include; proteins, carbohydrates, fat, vitamins and minerals. Food helps us to stay healthy and productive; through various functions; for example proteins; are needed to build, maintain and repair muscle, blood, skin and bones and other tissues and organs in the body.