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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.
In the following table state how gymnosperms are adapted for living on land with respects to each of the following aspects Aspect Adaptation for living on land Alternation of Gener
why do we breathe?
A stone seems to weigh less in water Weigh a large stone on a pair of kitchen scales. Put a loop of heavy string around the stone and weigh it again suspended in a pail of wate
Define the Blood Groups We start our discussion by answering the question - do all of us have the same blood group? No, each individual has a different blood group. The differ
Primary processing of Rice Rice is the staple food for the majority of the world's population and is cooked in boiling water and eaten mostly with cooked pulses, vegetables, f
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To measure the volume of air in the longs Invert a bottle full of water so that its neck is in the surface of water in ajar. Introduce a glass or rubber tube into the neck and
What is loam soil? This is a type of soil, which is halfway among clay and sandy soils.
Q. How is harvest maturity identified? Maturity indices can be determined on the basis of : Number of days from setting, Sight-colour, size and shape, Touch-texture, hardness o
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