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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.
Model water wheels A meat skewer or a knitting needle can be used as an axle. An old typewriter ribbon- spool or a sticking plaster reel is useful as a basis for these improvis
Thiamin (vitamin B1) Thiamin was first isolated in 1926 from rice polishing by Jansen and Donath. Its empirical formula was established in 1931 by Windaus and co-w
would quartzite or sandstone break more easily. please explain
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
Enzyme immobilizatio:- The attachment of an enzyme to a solid matrix so that it cannot escape but can still act on its substrate. .
Explain the Foetal Monitoring During late pregnancy and during labour, a physician may want to monitor the foetal heart rate and other functions. Foetal heart rate monitoring i
Explain the Proximal Convoluted Tubule - Structures of a Nephron Proximal Convoluted Tubule or proximal tubule (PCT): The proximal tubule is the most proximal part of the renal
what are the problems
Define Creatine in Urine Normal urine contains little or no creatine. Some may be found during menstruation, pregnancy and childhood. Urine creatine is considerably increased i
Define Galactose - Abnormal Constituents of Urine Galactose: Galactose is present in the urine in the conditions of galactosemia, a metabolic defect caused due to the deficienc
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