3. where on the electromagnetic spectrum are visible light waves found? *
1 point
a)between ultraviolet and infrared waves
b)between microwaves and ultraviolet waves
c)between infrared and x rays
d)between x rays and gamma rays
4. based on the observed red shifts in the spectral lines of distant galaxies, astronomers conclude that *
1 point
a)earth is in the center of the universe
b)the universe is contracting
c)the universe is expanding
d)the universe is smaller than once believed
5. subsurface ocean currents continually circulate from the warm waters near the equator to the colder waters in other parts of the world. what is the main cause of these currents? *1 point
a)differences in the topography along the ocean floor
b)differences in density of ocean water
c)the rotation of earth on its axis
d)movement of the jet stream
6. which storm most likely develops as air masses interact with the warm water in the eastern atlantic ocean? *1 point
a)typhoon
b)tornado
c)blizzard
d)hurricane
7. which statement best describes the ozone layer of earth? *1 point
a)it reduce the amount of ultraviolet radiation reaching the surface of earth.
b)it prevents the formation of severe storms in the stratosphere of earth.
c)it increases the amount of nitrogen in the troposphere of earth.
d)it forms a magnetic field in the mesosphere of earth.
8. the transfer of heat through the movement of air or water that controls heat movement through both the atmosphere and oceans: *1 point
a)conduction
b)convection
c)radiation
9. what are the major gases in the atmosphere? *1 point
a)oxygen and carbon dioxide
b)oxygen and water vapor
c)carbon dioxide and nitrogen
d)nitrogen and oxygen
10. why is it harder to breathe at higher elevations? *1 point
a)the pressure decreases at higher elevations
b)the pressure increases at higher elevations
c)the temperature decreases at higher elevations
d)the temperature increases at higher elevations
11. which part of the water cycle is responsible for creating clouds? *1 point
a)evapoartion
b)precipitation
c)condensation
d)sublimation
12. what type of front is characterized by thunderstorms? *1 point
a)warm front
b)occluded front
c)cold front
d)stationary front
13. in the northern hemisphere, the coriolis effect causes air to rotate *1 point
a)counter clockwise
b)clockwise
14. which type of clouds are found high in the atmosphere? *1 point
a)altocumulous
b)stratus
c)cumulonibus
d)cirrus