The phenomenon of change in direction of wave fronts as the approach the sea shore is known as a?
wave refraction
tidal wave movement
wave drifting
retrogradation
Correct answer is B
No explanation has been provided for this answer.
An ox-bow lake is usually located in a?
volcanic crater
karst valley
river valley
desert oasis
Correct answer is C
No explanation has been provided for this answer.
Rocks that are composed of particles derived previously existing rocks are referred to as?
Metamorphic rocks
intrusive igneous rocks
sedimentary rocks
extrusive igneous rocks
Correct answer is A
No explanation has been provided for this answer.
Rock pedestals are most likely to found in?
regions where river erosion has taken place
arid areas where wind abrasion has modified rocks of reisitance
region where wave hydraulic action has taken ace
arid area where wond deflation has scooped out the suraface
region where a river has disposited a large load of sediments
Correct answer is B
No explanation has been provided for this answer.
The presence of gorges in the upper section of rivers is due to the fact that?
The presence of gorges in the upper section of rivers is due to the fact that?
the volume of the river is small
hanging valleys join the main valley as waterfalls to cause the gorges
the upper course has has a steep gradient
the water contains chemicals which dissolve the rocks
Correct answer is D
No explanation has been provided for this answer.