What river has been a major supplier of commercial energy for decades in the region of southern Africa?
A) Congo
B) Niger
C) Nile
D) Zambezi
E) Limpopo
D
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Assume a hurricane in the North Atlantic is travelling toward the north at 25 km/h and its average wind speed is 180 km/h. In this scenario, what is the wind speed on the eastern side of the hurricane?
A. 180 km/h B. 205 km/h C. 230 km/h D. 155 km/h
Fine-grained igneous rocks are interpreted to have cooled relatively quickly from magma, and so they are called:
a) intrusive b) reclusive c) extrusive d) obtusive e) preclusive
Elephants are more closely related to the whales than they are to the mastodons. Indicate whether the statement is true or false
The synthesis of unsaturated fatty acids from fatty acids is which type of reaction?
A) condensation B) hydrolysis C) oxidation D) reduction