The earth’s atmospheric pressure is modeled by assuming that the rate at which pressure changes with respect to the altitude above sea level is proportional to the pressure.  Assume the pressure at sea level is 1013 millibars and the pressure at an altitude of 20km is 90 millibars. At what altitude does the pressure equal 900 millibars?  Give your answer in kilometers above sea level.     Click ‘True’ when finished

What group are the alkaline earth metals?

What is the electron configuration for sulfur (16)?

What is the electron configuration of Silver (47)?

As you move down the periodic table atomic radii:

What ion will nitrogen form?  (please include charge) 

How many protons, neutrons and electrons are in this atom?3919K

Which of the three perspectives of sociology states that “inequality exists because some people are willing to exploit others”?

A nurse is planning care of a 12-year-old boy with Duchenne Muscular Dystrophy.  Which of the following would always be included in his plan of care?

Minorities such as African Americans and Latinos have a higher chance of being part of the underclass than do whites.