Question 1 of 8 48 total questions
In many areas, limestone rocks are resistant to water erosion on their surfaces and form uplands because of their
A coarse and resistant minerals
B low porosity and permeability
C dense and armophous structure
D joints and pervious nature
Lakes formed as a result of landslides, screes or avalanches are known as
A man-made lakes
B barrier lakes
C caldera lakes
D rock-hollow lakes
A traveller crossing the international Date Line from America to Asia at 12 midnight on Sunday, would have to change his watch to 12 midnight on
A Sunday
B Monday
C Tuesday
D Saturday
The period when the earth is furthest from the sun is
A aphelion
B summer
C perihelion
D spring
When the gradient of a river channel changes from a steep to a gentle angle, the main activity of the river will be
A depositing
B eroding
C deepening
D terracing
A typical example of landforms produced by marine erosion is a
A beach
B spit
C mud-flat
D stack
The main use of the Abney Level in surveying is to determine the
A angle of inclination
B relative location
C area coverage
D spot height
The main advantage of the chain survey over the prismatic compass survey is that the former
A yields relatively more accurate results
B involves highly more portable equipment
C does not require a base map
D closes its boundaries with no correction
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