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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.
Role of Bile in Digestion Bile is produced by liver and stored in gall bladder. During digestion, the gall bladder contracts and supplies bile, rapidly to the duodenum throu
Discuss main factors that influence mass movements. Ans) Things as if climate and food availability will make a big dissimilarity if it is too cold, too dry then people will re
we know that if you went out into space and went around... lets say Jupiter for... 100 years you would of aged only 100 years but when you went back to Earth the planet would of ev
Objectives After you have completed this exercise, you should be able to: 1. Enlist all the fire extinguishers available in the labs and relate them to the type of fire
Explain Emphysema - Histotoxic Hypoxia Emphysema is a chronic respiratory disease where there is an over- inflation of the air sacs (alveoli) in the lungs, causing a decrease i
Darwin and Natural Selection: The English naturalist Charles Darwin (1809-1882) explained how biological evolution took place, in his remarkable "The Origin of Species" in
How to make an experimental biter Fit a one-hole stopper carrying a short length of glass tube into the small end of a lamp chimney. Put a little cotton wool in the bottom and
The digestive system is made up of two groups of organs: Alimentary tract, which includes mouth, pharynx, oesophagys, stomach, small intestine, large intestine, appendix
what is threshing
name 4 heterotrophic plants names
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