Clouds are classified on the basis of all of these factors EXCEPT
A. whether the cloud is raining.
B. dew point.
C. form.
D. altitude.
Answer: B
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In winter, isotherms over the interior of Northern Hemisphere continents trend equatorward
Indicate whether the statement is true or false
Firms seek to increase their profits through foreign direct investment through which means?
A) by obtaining natural or human resources in another country B) to penetrate markets in another country C) the uncertainties of investing in another country D) all of the above E) A and B only
Volcano A erupts rocks with SiO2 content ranging from 49% to 52% whereas volcano B, 100km away, erupts materials with SiO2 content of 62-68%. Which statement best characterizes these two volcanos?
A) Volcano A is probably a shield volcano with typically quiescent eruptions, whereas Volcano B is likely a stratovolcano characterized by violent, explosive eruptions. B) Both volcanos are violent, explosive volcanos that spread ash continent wide. C) Volcano A is likely to be a supervolcano with violent eruptions, whereas volcano B is probably a shield volcano with quiescent eruptions. D) Both volcanos are shield type volcanos that are characterized by quiescent eruptions.
What does the term half-life describe?
A. time needed for half of the radioactive atoms in a substance to convert into energy. B. half the time needed for a radioactive substance to become safe. C. time needed for half the cells in an organism to turn cancerous from radiation damage. D. half the time needed for cells in a living organism to recover from radiation damage. E. time needed for half of the radioactive atoms in a substance to decay into stable isotopes.