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
Author: Aroma Ann
In middle latitudes, which cloud will have the lowest base?
A. Cirrostratus
B. Stratocumulus
C. Altocumulus
D. Cirrus
Continue reading “In middle latitudes, which cloud will have the lowest base?”
Radiations are harmful as it __________?
A. causes skin cancer
B. causes anemia
C. alters body tissues
D. is unstable
The temperature at which water boils depends mainly on __________?
A. Air temperature
B. Relative humidity
C. Air pressure
D. Air density
E. The specific heat of air
Continue reading “The temperature at which water boils depends mainly on __________?”
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
CFCs are used as __________?
A. refrigerants
B. insulators
C. aerosol propellants
D. all the above
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
Fine organic or inorganic particles suspended in air is called __________?
A. particulate pollutant
B. gaseous pollutant
C. aerosol
D. none of these
Continue reading “Fine organic or inorganic particles suspended in air is called __________?”
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 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
