Fine organic or inorganic particles suspended in air is called _______________?

A. Particulate pollutant
B. Gaseous pollutant
C. Aerosol
D. None of these

Fog that most often forms as warm rain falls into a cold layer of surface air is called ______________?

A. Radiation fog
B. Evaporation (mixing) fog
C. Advection fog
D. Upslope fog

When oil and gas resources are burnt they kill many forests and lakes by ________________ ?

A. Deforestation
B. Water pollution
C. Acid rain
D. Forest fire

The pyramid of energy in any ecosystem is _________?

A. Always upright
B. May be upright or invented
C. Always inverted
D. Always circle

In middle latitudes, which cloud will have the lowest base ________________________ ?

A. Cirrostratus
B. Stratocumulus
C. Altocumulus
D. Cirrus

Fatal degenerative lung disease caused by particulate asbestos is referred to as _____________?

A. Asbestosis
B. Asthma
C. Allergy
D. Sinusitis

The blueness of the sky is mainly due to _____________?

A. The scattering of sunlight by air molecules
B. The presence of water vapor
C. Absorption of blue light by the air
D. Emission of blue light by the atmosphere

The atmosphere near the earth’s surface is “heated from below.” Which of the following does not significantly contribute to this heating _____________________?

A. Conduction of heat upward from a hot surface
B. Convection from a hot surface
C. Absorption of infrared energy that has been radiated from the surface
D. Heat energy from the earth’s interior

The gradual physiological adjustment to slowly changing new environmental conditions is known as _____________________?

A. Selection
B. Introduction
C. Acclimatization
D. Quarantine

Salinization is ___________?

A. Accumulation of salts in water
B. Accumulation of salts in soil
C. Accumulation of salts in body
D. Accumulation of salts in animals