A river deposits its load of sediment if the?
quantity of water in the river increases
river flows from a mountain area onto a plain
river enters a gorge
velocity of the river increases
river approaches as waterfall
Correct answer is B
No explanation has been provided for this answer.
The 'Mediterranean type' of climate refers to?
short wet summer, dry winter, mean temperature above 20°C and precipitation about 1,000 mm per year
wet winter, dry summer, temperature varies from about 6°C in winter to about 20°C in summer and precipitation ranges between 700 and 1,000mm per year
short wet summer, prolonged dry winter and percipitation is about 500 mm per year
dry and wet climate; temperature around 20°C and percipitation ranges between 1,000 and 2,000 mm per year
precipitation all the year round (about1,000 mm per year) with a peak in with warm summer (20-26°C) and mild winter (6-10°C)
Correct answer is B
No explanation has been provided for this answer.
Which of the following features is NOT commonly associated with a river at the floodplain stage?
Ox-bow lakes
Meanders
Levees
Knickpoint
Braided channel
Correct answer is D
No explanation has been provided for this answer.
Which of the instruments is used in measuring wind speed?
Wind vane
Barometer
Cup anamometer
Hygrometer
Speedometer
Correct answer is C
No explanation has been provided for this answer.
Which of the following statements bests describes the weathering process known as exfoliation?
The chemical alteration of rock minerals on taking in water
The peeling away of rocks in thin layers acid
The dissolution of basic minerals by carbonic acid
The addition of oxygen to mineral elements to form oxides
The disintegration of foliated rocks
Correct answer is B
No explanation has been provided for this answer.