Question 1 of 9 49 total questions
When there is a remarkable difference between the data taken from the dry bulb and the wet bulb thermometer, it implies that?
A there is little water vapour inthe air
B there is great cloudness
C the atmosphere is stable
D evaporation is no longer taking place
When the temperature at sea level is 10°C, what is the temperature of the air at a height of 2000 metres above sea level?
A 11.2°C
B 13.2°C
C 5.8°C
D 8.8°C
The column of ocean water moving from a low to a high latitude is described as a?
A cold ocean current
B warm ocean current
C costal tidal wave
D cool ocean current
A prominent erosional landform of wind action is a?
A seif
B barchan
C playa
D yardang
The main composition of coal is?
A carbon
B iron
C clay
D quartz
An example of a calcareous rock is?
A shale
B granite
C lignite
D limestone
Rocks can be classified into three major groups according to their?
A age and appearance
B origin and appearance
C age and origin
D origin and colour
Which of the following items may not be necessary for a chain survey?
A Arrow head
B Gunter's chain
C Ranging pole
D Prismatic compass
On a topographical map, a number of inverted-V contours pointing up slope up slope indicate a?
A valley
B ridge
C saddle
D spur
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