At the profit-maximizing quantity, the price elasticity of demand is 2.5. What is the markup?

What physical feature would be adaptive by allowing a hunter to throw a spear further and with more force?

A) an occipital torus B) shorter stature C) a broad pelvis D) longer limbs

Which of the following does not describe the situation of the Yanomami?

A. Missionaries lived with the Yanomami for 50 years, providing health care and transportation. B. The Venezuelan president expelled the missionaries from the Venezuelan Amazon. C. The Yanomami claim that the government is not providing the same level of health care assistance as the missionaries, leading to an increase in deaths. D. Some Yanomami are being trained in health care. E. The Yanomami are isolated from missionaries and the Venezuelan government, and are self-sufficient.

The globalization of production:

a. may be explained almost completely by the lower wages paid in newly industrializing countries. b. has created greater global cooperation to address the problem of global warming. c. is related to uneven environmental regulatory policies. d. has distributed the risks of environmental pollution evenly throughout the world.

The overwhelming consensus among climate scientists points directly to "human-driven" global change, especially due to

a. induced photosynthesis. b. production of fluorocarbons. c. burning of fossil fuels. d. lack of emission regulations. e. the high number of clunkers on the streets.