What is base level?
A) The highest elevation streams can be found.
B) The downward limit of erosion.
C) The transition from a straight channel stream to a meandering stream.
D) The gradient line along the longitudinal profile of the stream.
Answer: B
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In the low latitudes the average temperature is between ________ °C
A) 26 and 28 B) 35 and 37 C) 50 and 54 D) 65 and 72
According to the Meteorological Service of Canada, which of the following defines a severe thunderstorm?
A. a storm having a tornado B. a storm having surface wind gusts below 90 km/h C. a storm having hail less than 2 cm in diameter D. a storm having misty rain
What kind of stream channel is visible here?
A) Laminar channel B) Braided channel C) Meandering channel D) Overflow channel
The United States imports some minerals of which it has ample supplies and production exceeding current demands.
Answer the following statement true (T) or false (F)