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

Environmental & Atmospheric Sciences

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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

Environmental & Atmospheric Sciences

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

Environmental & Atmospheric Sciences

What kind of stream channel is visible here?

A) Laminar channel B) Braided channel C) Meandering channel D) Overflow channel

Environmental & Atmospheric Sciences

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)

Environmental & Atmospheric Sciences