Zooplankton-eating fish are ________
A) detritivores
B) secondary consumers
C) producers
D) primary consumers
E) herbivores
B
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The use of eco-labels (green labels) on products
A. is designed to warn consumers about the hazards of using the product. B. makes consumers aware of specific environmental laws. C. identifies products that meet specific environmental standards. D. All of these statements are correct. E. None of these statements is correct.
How many minerals are common? What will be an ideal response?
Although fluorite and native sulfur are not metallic minerals, deposits of these materials are still called ore deposits
Indicate whether the statement is true or false
What percentage of the commercial energy used in the United States is wasted?
A. 5% B. 14% C. 35% D. 50% E. 84%