In the United States, how many metric tons of pollutants are discharged into the atmosphere each day?
a. 1,000
b. 100,000
c. 700,000
d. 5 million
e. 15 to 30 million
C
Biology & Microbiology
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Red blood cells are
(a) erythrocytes. (b) leukocytes. (c) platelets. (d) all of the above.
Biology & Microbiology
Movement in multicellular animals is dependent on:
A. a mucous coating B. the action of muscle cells. C. cilia and flagella. D. movement of mitochondria.
Biology & Microbiology
Amphibians are not completely free to live on dry land because
A. their ancestors were fish. B. their food organisms live in water. C. their reproduction depends on water. D. they can escape from predators by jumping into the water. E. they obtain oxygen from water through gills.
Biology & Microbiology
The ability to acquire, store, transfer, or utilize energy is called:
What will be an ideal response?
Biology & Microbiology