Ultralight aircraft played an important part in the recovery of whooping cranes by
A) spotting potential predators from the sky.
B) identifying unknown populations of these birds from the sky.
C) leading flocks of these birds on their seasonal migrations.
D) distributing vital supplies of food to distant populations during severe winter storms.
C
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The Orinoco River drains lowlands primarily in
A. Brazil and Argentina B. Peru and Ecuador C. Colombia and Venezuela D. Argentina and Chile
This meteorological phenomenon is a result of [INSERT FIGURE 5-3. NO CAPTION.]
A) evaporation B) condensation C) sublimation D) deposition
A Generation III nuclear reactor design is an improvement on old designs because it has
A) water as a coolant. B) control rods. C) passive safety features. D) fewer working parts.
The substance shown below is called cisplatin and is used in the treatment of testicular cancer. [Pt(NH3)2Cl2] What is the oxidation state of Pt in this substance?
A) 0 B) +1 C) +2 D) +3 E) +4