Electromagnetic Radiation
A. is visible in all its forms.
B. is composed entirely of waves.
C. is composed of interacting electrical and magnetic fields.
D. radiates out in confined planes or straight lines.
Answer: C
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The conversion of solar energy into chemical energy occurs in
a. Photosynthesis b. food chains c. Chemosynthesis d. heterotrophic organisms e. food webs
Which biome is dominated by grasses and shrubs and experiences cold temperatures and relatively low levels of precipitation?
A) Savanna B) Grasslands C) Desert D) Tundra
________ processes, such as evaporation or precipitation, can precipitate chemical sediments
A) Biological B) Detrital C) Inorganic D) Organic
Which of the following explains why many household septic systems end up contaminating the shallow groundwater system?
A. all of the answers listed here B. drain field becomes plugged by solids leaving the septic tank C. residents pouring household chemicals down their drains D. water table is too high for the system to operate properly E. permeability of material beneath drain field is too low for proper drainage