Question
1a.)Which of the following best describes an aquifer?
 
a.Water that flows over soil into streams
b.Soil water and the water stored in aquifers
c.The water stored between soil particles
d.A porous rock layer that holds some groundwater
 
1b.)Which of the following best describes the greenhouse effect?
 
a.An ongoing trend toward warmer temperatures and shifts in climate patterns worldwide
 
 
b.A warming of Earth’s lower atmosphere and surface as a result of heat trapped by greenhouse gases
 
 
c.An atmospheric gas that absorbs and reradiates heat, warming Earth’s surface
 
 
d.A biogeochemical cycle in which carbon is exchanged between oceans, soils, atmosphere, and living organisms
 

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