What best explains why groundwater baseflow is important to maintaining a healthy stream ecosystem in humid climates?
A. removes bacteria and viruses that are harmful to plants and animals
B. provides dissolved ions necessary for plant growth
C. reduces the intensity and duration of floods
D. decreases stream erosion
E. provides streams with a steady flow of water during dry periods
Answer: E
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When you touch a nail stuck in ice, energy flows from
A. your hand to the ice. B. the ice to your hand. C. both of these D. none of the above
Using a refillable beverage container (returnable bottles) would be an example of ________ materials.
A. Redefining B. Reusing C. Reducing D. Recycling E. None of these is correct
What does the field of environmental health cover?
What will be an ideal response?
Statutory laws are created by ________
A) the EPA and other federal agencies B) Congress C) local law enforcement D) the court system E) the executive branch