Which of the following is not a process of chemical weathering?

A. oxidation

B. attrition

C. hydration

D. carbonation

Sea tides are caused mainly by the influence of

A. earth's rotation

B. asteroids

C. the stars

D. the sun

The most important active factor of soil formation is

A. time

B. relief

C. slope

D. climate

Which of the following has the highest level of salinity?

A. baltic sea

B. antractic ocean

C. mediterranean sea

D. atlantic ocean

Which of the following is not a form of precipitation?

A. hail

B. dust

C. dew

D. snow

'It has humidity of over 90%, with rainfall in all months'. The statement describes the

A. equatorial climate

B. desert climate

C. warm temperature climate

D. mediterranean climate

'The forest is both dense and luxuriant and contains a great variety of plants with broad leaved trees'. This statement describes the

A. savannah

B. tropical rain forest

C. mediterranean woodland

D. warm temparate forest

Which of the following is not a major benefit of savanna vegetation?

A. livestock farming

B. arable crop cultivation

C. aqua culture

D. game reserves

The study of the continuous interaction between living things and their environments is known as

A. ecology

B. energy cycle

C. biology

D. geology

Which of the following has very dense population?

A. the equtorial lowland of south America

B. the northern region of Canada

C. the north eastern seaboard of U.S.A

D. the western region of Austrelia