What is the bearing of Q from P, if Q lies NNW from P?

A. 67.5°

B. 157.5°

C. 247.5°

D. 337.5°

A traveller from South America, on crossing the International Date Line to Asia at 12 noon on Tuesday, would sail into?

A. Monday noon

B. Tuesday noon

C. Wednesday noon

D. Wednesday mid-night

The latitude which marks the lines of the sun's apparent movement north and south of the equator is?

A. 66 1/2°

B. 60 1/2°

C. 45 1/2°

D. 23 1/2°

Variations in the lengths of day and night over the earth's surface are due to the?

A. earth's inclination to the sun and its revolution

B. earth's inclination to the sun and its rotation

C. length of the earth's orbit

D. thickness of the earth's atmosphere

The progressive widening of joints and cracks in limestone by solutions, initially leads to the formation of?

A. grikes and clints

B. stalactities and stalagmites

C. caves and caverns

D. cliff and dry valleys

A river loses energy and may deposit some of its load if?

A. its bed and banks become smoother

B. its discharge increases

C. its gradient decreases

D. it becomes narrow and deep

Chemical weathering is both rapid and intense in the humid tropics because of?

A. low annual range of temperature

B. high rainfall and temperature

C. the presence of easily weathered rocks

D. a large volumes of run-off

Coastal deserts are likely to occur in areas where onshore winds which are?

A. cold blow over cold ocean currents

B. warm blow over warm ocean currents

C. cold blow over warm ocean currents

D. warm blow over cold ocean currents

Most of the heat received by the atmosphere comes directly from?

A. the sun

B. the earth's surface

C. clouds

D. air masses

In tropical highlands, density rainforest occur at altitudes ranging from 1200m to 2400m above sea level. This is due to the influence of?

A. abundant water supply from snow melt

B. high humidity and cool air

C. orographic rainfall

D. fertile soils