Although muscle flexibility drops by about 5 percent per decade of life, a minimum of can prevent most of this loss as a person ages.

Although muscle flexibility drops by about five percent per decade of life, a minimum of ten minutes of stretching every other day can prevent most of this loss as a person ages. Stretching has many benefits which include: increased flexibility and range of motion, prevention of injury, improved posture, stress relief and improvement in sport performance.

The answer would be a) occurs when demand for goods and services exceeds existing supply. Reason being, when there is high demand for a product, the price goes up because there are fewer available, however, in return for the raised prices people will eventually stop buying and the product price will drop.