Temperate and sub-tropical grasslands on the Africa continent are found in?

A. Zimbabwe and Morocco

B. Malawi and South Africa

C. Namibia and Zambia

D. South Africa and Lesotho

Equatorial trough or low-pressure belt is commonly known as the?

A. easterlies

B. doldrums

C. cyclonic front

D. horse latitudes

The most common greenhouse gas in the atmosphere is?

A. chlorofluorocarbon

B. carbon(ii) oxide

C. hydrogen bromide

D. carbon (iv) oxide

Which of the following sets of environmental resources is renewable?

A. Water, iron ore and soils

B. Water, gold and plants

C. Water, plants and soils

D. Water, soils and minerals

The state of equilibrium reached by the vegetation of an area when it is left undisturbed for a long time is the?

A. ecosystem

B. community

C. trophic level

D. climax

Rocks minerals are said to be crystalline when the atoms forming them are?

A. found in sedimentary rocks

B. found in crystalline rocks

C. arrange in a deginite pattern

D. arrange vertically

A cool ocean current may bring to the coast it washes cool and?

A. dry conditions if winds are off shore

B. dry coditions if winds are on shore

C. wet conditions if winds are off shore

D. wet conditions if winds are on shore

Trees in the coniferous forest are noted for their?

A. needle leaves and softwood

B. needle leaves and hardwood

C. broad leaves and softwood

D. broad leaves and hardwood

The difference in time between two longitudes is approximately?

A. 15 hours

B. 40 minutes

C. 4 hours

D. 4 minutes

The concept of environment balance can be taken to mean that an alteration in one of the components of the ecosystem may result in the?

A. acceleration of the processes within the system

B. disruption of the processes within the system

C. minimization of the processes within the system

D. stablization of the processes within the system