Question 1 of 10 50 total questions
In tropical highlands, density rainforest occur at altitudes ranging from 1200m to 2400m above sea level. This is due to the influence of?
A abundant water supply from snow melt
B high humidity and cool air
C orographic rainfall
D fertile soils
Most of the heat received by the atmosphere comes directly from?
A the sun
B the earth's surface
C clouds
D air masses
Coastal deserts are likely to occur in areas where onshore winds which are?
A cold blow over cold ocean currents
B warm blow over warm ocean currents
C cold blow over warm ocean currents
D warm blow over cold ocean currents
Chemical weathering is both rapid and intense in the humid tropics because of?
A low annual range of temperature
B high rainfall and temperature
C the presence of easily weathered rocks
D a large volumes of run-off
A river loses energy and may deposit some of its load if?
A its bed and banks become smoother
B its discharge increases
C its gradient decreases
D it becomes narrow and deep
The progressive widening of joints and cracks in limestone by solutions, initially leads to the formation of?
A grikes and clints
B stalactities and stalagmites
C caves and caverns
D cliff and dry valleys
Variations in the lengths of day and night over the earth's surface are due to the?
A earth's inclination to the sun and its revolution
B earth's inclination to the sun and its rotation
C length of the earth's orbit
D thickness of the earth's atmosphere
The latitude which marks the lines of the sun's apparent movement north and south of the equator is?
A 66 1/2°
B 60 1/2°
C 45 1/2°
D 23 1/2°
A traveller from South America, on crossing the International Date Line to Asia at 12 noon on Tuesday, would sail into?
A Monday noon
B Tuesday noon
C Wednesday noon
D Wednesday mid-night
What is the bearing of Q from P, if Q lies NNW from P?
A 67.5°
B 157.5°
C 247.5°
D 337.5°
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