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
Melanoma (skin cancer) is associated with ______________
(A) ozone accumulation
(B) ozone depletion
(C) acid rain
(D) allergens
The earth’s atmosphere is divided into layers based on the vertical profile of __________
(A) Air pressure
(B) Air temperature
(C) Air density
(D) Wind speed
The temperature at which water boils depends mainly on ____________
(A) Air temperature
(B) Relative humidity
(C) Air pressure
(D) Air density
(D) The specific heat of air
A term biotype means ___________
(A) all individuals having same phenotype
(B) all individuals having same genotype
(C) all individual with different phenotype
(D) all individuals with different genotype