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Question 1:
(i) Show a diagram to show how temperature varies with altitude. Show clearly the location of the tropopause, stratopause and mesopause.
(ii) Briefly explain the troposphere and its characteristics.
Question 2:
i) Describe the terms convection and radiation. Give examples as they apply in the atmosphere.
ii) State the Stefan - Boltzmann law.
iii) Write the mathematical expression of the law.
iv) Determine the amount of energy emitted by the earth in Watts m-2 at 20 degrees Celsius, given the Stefan -Boltzmann constant, σ = 5.67 x 10-8 Watts m-2 K4.
Photochemical Smog: Photochemical smog, a secondary Pollutant, results when the two pollutants, nitrogen oxide and hydrocarbons found in automobile exhausts, react with
Discuss in brief about the Red soils Red soils are characterised by a rusty red colour due in most cases to the presence of various oxides of iron. They are either formed in
what is the nature of zoology?
TO SHOW THAT AIR HAS WEIGHT Drive a thin nail by the exact centre of a long rod such as a metre stick or a yard stick. Balance the stick by resting the nail on the rims of two
describe the factors which decide the broad area of scientific activity
why and where endomitosis happen?
how would i do a project on this?
Explain Maximum Tubular Secretory Capacity The maximum rate at which tubules can transport a substance from the blood vessel to the lumen or from the lumen to the blood vessel
Explain the Actions of Autonomic Nervous System (ANS) The actions of the autonomic nervous system are largely involuntary (in contrast to those of the somatosensory system). Th
Coenzyme : A molecule that binds to an enzyme and is essential for its activity, but is not permanently altered by the reaction. Many coenzymes are derived from vitami
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