Quartz, fieldspar and mica are three principal mineral that can easily be seen in
limestone
basalt
coal
granite
Correct answer is D
Granite is an example of heterogenous rock that contains a mixture of the minerals quartz, mica and fieldspar and is variable in colour
A block mountain is formed as a result of
fission
vulcanisity
differential erosion
faulting
Correct answer is D
Block mountains are formed as a result of lateral or vertical earth movement. They are also formed when the earth cracks due to faulting. Faulting may result from tensional forces or compressional forces.
\(14^0C\)
\(66^0C\)
\(26^0C\)
(\12^0C\)
Correct answer is A
Lapse rate is simply described as 0.65°C per 100m of ascent or 6.5ºC per 1000m of ascent. Therefore 4000m of ascent= 6.5ºC x 4000m/1000m=26.0ºC Then, the temperature around the aeroplane is = 40ºC - 26ºC = 14°C
The major crop grown in the El juf Basin of Mali is
Cotton
cashew
cocoa
coffee
Correct answer is A
Agriculture is the dominant economic sector in the country of Mali. In El-Djoul basin, cotton production is very commonly practiced
at right angle to the prevailing wind
in the same direction as the prevailing winds
in the same direction as the prevailing winds
in a circular direction
Correct answer is A
A barchan is a cresentic or moon-shaped structure. A barchan is formed when an obstacle like rocks impedes or prevents the movement of wind