The earth's crust consists essentially of?

• A. magnesium and silica
• B. silica and aluminium
• C. calcium and aluminium
• D. magensium and calcium

As a volley ball match was being played in town Y, the referee observed that the local time was noon while the Greenwich mean Times was 22.00 hours on the same day. What is the longitude of town Y?

• A. 20°E
• B. 20°W
• C. 145°E
• D. 150°W

British foreign investments are concentrated in?

• A. Commomwealth countries
• B. developed countries
• C. EU countries
• D. ECOWAS countries

Which of the following towns is in koppen's Aw climate?

• A. lagos
• B. tamale
• C. algiers
• D. lome

A line drawn on a map to show places of equal temperature is known as?

• A. isobar
• B. isotherm
• C. isohyet
• D. isoline

Pastoral nomadism is practiced in the savanna areas of West Africa by the

• A. fulani
• B. masai
• C. turkana
• D. tuareg

An igneous rock with distinct grains of mica, fieldspar and quartz is

• A. schist
• B. basalt
• C. granite
• D. rhyolite

Which activity requires the following? I. Large area of land usually in thousands of hectares II. Availability of water either in the form of rain or irrigation III. High capital outlay

• A. plantation agriculture
• B. mining
• C. lumbering
• D. tourism industry

If the temperature of sea level is 30°C the temperature of the air at a height of 2000 meters will be approximately

• A. 25°C
• B. 20°C
• C. 180°
• D. 10°C

The most dominant pair of active factors affecting plants growth is?

• A. soil and fauna
• B. climate and soil
• C. climate and topography
• D. topography and man