Lead as air pollution:
A) can cause damage to many organs.
B) has risen dramatically in amount in the United States.
C) is a result of the lead that is still added to gasoline in the United States.
A
Environmental & Atmospheric Sciences
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Most mass wasting is enhanced or promoted by ____
A)erosion B)weathering C)flash floods D)wind erosion E)plate tectonics
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Which of the following factors contributes most to soil erosion?
a. rural migration b. deforestation c. urban migration d. climate cooling
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What is true about r-selected species?
What will be an ideal response?
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Lions are
A) producers. B) primary consumers. C) secondary consumers. D) decomposers.
Environmental & Atmospheric Sciences