What did the Magdeburg experiment demonstrate about air pressure? A. that atmospheric pressure on the earth's surface has tremendous force

B. that horses are not intelligent enough to understand how to defeat atmospheric pressure

C. that the vacuum inside the two attached hemispheres has tremendous suction

D. that the horses could not get sufficient traction to pull the hemispheres apart

The eternal jew was nazi propaganda. true false

Profits are maximized when marginal revenue and marginal costs are a. set c. equal b. less than market price d. greater than market price

What explains the increase in life expectancy in botswana? a. the increased availability of jobs and an improved economy b. access to antiretroviral drugs, hiv/aids education, and widespread hiv/aids testing c. a series of military takeovers that stabilized the political system and led to education reform and increased literacy rates d. a recent military coup that led to an improved healthcare system select the best answer from the choices provided.