A prominent erosional landform of wind action is a?
seif
barchan
playa
yardang
Correct answer is D
No explanation has been provided for this answer.
The main composition of coal is?
carbon
iron
clay
quartz
Correct answer is A
No explanation has been provided for this answer.
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.