By how many times will a map measuring 12cm by 7cm be enlarged to make its area 336cm²?

A. Twice

B. Three times

C. Four times

D. Five times

Use the table above to answer the following two questions.

If the five countries produced 3335,990 tonnes of iron ore, what percentage was produced by the USSR?

A. 41.614%

B. 24.030%

C. 0.416%

D. 0.042%

The two most appropriate statistical diagrams that can be used to depict the data are?

A. pie chart and bar graph

B. circles and dots

C. flowline and bar graph

D. bar graph and dot

If the deadline given Iraq expired at 7.p.m (ET) on 15th January, 1991 in New York, USA(Longitude75°W), at what time did it expire in Baghdad (Longitude 45°E)?

A. 8pm, 15th January

B. 9pm, 15th January

C. 12 mid-night, 15th January

D. 3am, 16th January

The four basic components of the physical environment are?

A. atmospere, lithosphere, hydrosphere and biosphere

B. thermosphere, lithosphere, hydrosphere and biosphere

C. atmosphere, lacolith, hydrosphere and biosphere

D. atmosphere, lithosphere, hydrosphere and ecosystem

Petroleum is usually abundant in?

A. anticlinal structures of sedimentary rocks

B. intrusive igenous rocks

C. synclinal structures of sedimentary rocks

D. anticlinal structures associated with igenous rocks

Ocean currents are caused mainly by?

A. the rotation of the earth

B. the amount of evaporation from the oceans

C. prvailing surfaces winds

D. the shape of the ocean

Which of the following is the cause of south-westerly and north-easterly directions of the winds in the northern tropics?

A. The rotation of the earth

B. The revolution of the earth

C. The differences in air pressure

D. The size of the landmass

One of the consequences of the global increase in the carbon dioxide content of the atmosphere is?

A. decreasing temperature

B. the destruction of the ozone layer

C. increasing air pressure

D. reduced visibility

Which of the following cloud types is commonly associated with contiuous precipitation?

A. Cumulus

B. Stratus

C. Stratocumulus

D. Nimbostratus