The amount of excess load that can be imposed on the wing of an airplane depends upon the

3. describe the purpose of the sec. (1-4 sentences. 2.0 points)

The prebisch–singer hypothesis concludes that: a. technology lowers the cost of manufactured products, so developing countries should see an increase in their terms of trade. b. developing countries experience a long-run decline in their terms of trade, as the demand for primary products in higher-income countries declines relative to their demand for manufactured goods. c. because of unfair trading practices, labor in developing countries is exploited. d. opec has been responsible for a slowdown in the world's standard of living.

On average, someone with a bachelor's degree is estimated to earn times more than someone with a high school diploma. a)1.2 b)1.4 c)1.6 d)1.8