Through what process are rift valleys formed?

A. Folding

B. Erosion

C. Faulting

D. Weathering

The process by which rocks are disintegrated by physical and chemical means in situ is known as

A. depositions.

B. erosion

C. transportation

D. weathering

Which of the following is a feature commonly found in the youthful stage of a river?

A. Levee

B. Delta

C. Oxbow lake

D. Interlocking spur

The shallow part of the sea adjoining the coast is called

A. continental shelf

B. continental slope

C. oceanic island

D. oceanic plateau

Most warm ocean currents flow

A. in tropical seas

B. from the Equator

C. to the Equator

D. in high latitudes

Hail, fog, dew and frost are all forms of

A. rainfall

B. cloud

C. water vapour

D. precipitation

Which of the following elements of weather and climate is matched with the wrong measuring instrument?

A. Wind direction and wind vane

B. Temperature and thermometer

C. Humidity and barometer

D. Rainfall and raingauge

Through which of the following processes does solar energy warm the earth;s surface?

A. Refraction

B. Convection

C. Conduction

D. Radiation

The release of harmful substances into the environment is called

A. floodig

B. drought

C. harmattan

D. pollution

Which of the following is the most important agent of erosion in humid regions?

A. fog

B. wind

C. lce

D. Running water