Most active swimming fish use pelvic fins and pectoral fins ________
A) for swim propulsion
B) primarily as stabilizers
C) to hold onto prey
D) to increase the surface area
E) to turn, brake, and balance
E
Environmental & Atmospheric Sciences
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____________________ are essential portions of watersheds because they serve as the liaison between land and water resources.
Fill in the blank(s) with the appropriate word(s).
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Which of the following would have the highest boiling point?
A. F2 B. I2 C. Cl2 D. Br2 E. not enough information given
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An ecosystem's nutrient cycle cannot be described
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
Predict future migration trends in the United States
What will be an ideal response?
Environmental & Atmospheric Sciences