Where does the energy within the greenhouse effect originate? from convection within the atmosphere
from the circular movement of hot and cold air
from solar radiation entering the atmosphere
from the conduction of heat from the ground to the air

Which of the following characterize the historical move toward urbanization? i. increase in pollution ii. increase in frequency of natural disasters iii. increase in incidence of infectious disease a. i b. ii c. i and ii d. i and iii e. i, ii and iii

What is the american psychological association’s ethical principle of psychologists and code of conduct based upon? a. the work of a dozen world-renowned philosophers and ethical savants. b. the feedback of thousands of psychologists and their ethical struggles. c. the regulatory power and authority of the united states constitution. d. the hippocratic rules and guidelines of medical practitioners and surgeons. select the best answer from the choices provided a b c

The tension between the issues of slavery and immigration led to the destruction of which political party? a) constitutional union b) democratic c) know-nothing d) whigs