An example of a calcareous rock is?
shale
granite
lignite
limestone
Correct answer is D
No explanation has been provided for this answer.
Rocks can be classified into three major groups according to their?
age and appearance
origin and appearance
age and origin
origin and colour
Correct answer is B
No explanation has been provided for this answer.
Which of the following items may not be necessary for a chain survey?
Arrow head
Gunter's chain
Ranging pole
Prismatic compass
Correct answer is D
No explanation has been provided for this answer.
On a topographical map, a number of inverted-V contours pointing up slope up slope indicate a?
valley
ridge
saddle
spur
Correct answer is D
No explanation has been provided for this answer.
The main factor that is responsible for the relatively cool temperatures in East Africa is?
ocean current
latitude
altitude
air mass
Correct answer is C
No explanation has been provided for this answer.