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
Acid deposition causes ______________________
(A) the greenhouse effect to lessen
(B) lakes and forests to die
(C) acid indigestion in humans
(D) all the above are correct
At what time of day is the relative humidity normally at a minimum ________________
(A) When the air temperature is highest
(B) Just before sunrise
(C) About midnight
(D) When the air temperature is lowest
Types of bones in human body are: Long, short, irregular and ____________
(A) Flat
(B) Medium
(C) Regular
(D) Rough