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A hair hygrometer
This device will enable you to read the relative humidity directly without the use of tables.
Procure a few human hairs about 30 cm long. Free them from grease with dilute caustic soda solution. Fix one to the upper end of a stand and stretch it with a 50 gm weight. The hair should pass two or three times round a spool fixed to an axle which is free to turn in bearings made from a piece of tin and fastened two-thirds of the way down the stand. Fix a Light pointer of balsa wood to the axle, and organize a postcard to act as a scale. For greatest sensitivity the diameter of the spool should be small
I have 4 essay question with the answer I just need you to rewrite and paraphrase the answer I need it 12 or 2:00am is that possible ?
Why do organisms need water? Organisms need water for the following reasons: (i) All cellular processes need water as a medium. Usually, the reactions that take place in our
Why does marble rarely contain fossils? This is due to of the way that it is formed. When you have a rock that is formed bymetamorphosis then it has been created by heat and pres
Explain Cholesterol - Constituents of Bile Cholesterol: Cholesterol is an extremely important compound, a constituent of most cell membranes and the precursor of bile acids and
The active ingredient in Antabuse, a drug used for the treatment of chronic alcoholism, is tetraethylthiuram disulfide, C10H20N2S4 (fw = 296.54). The sulfur in a 0.4329 g. sample o
Curing methods: The most impbrtant curing methods were classified under five heads, namely, inducing vomiting, giving purgative, enem;, oily enema and nasal therapy. Specifi
Define Haemorrhagic or Blood Loss Anaemia The body replaces plasma within 1-3 days after a haemorrhage, but this leaves a low concentration of red blood cells. In chronic bloo
1. Describe the paths of water through the hydrologic cycle. Explain the processes and the energy gains and losses involved in the changes of water between its 3 states. Operatio
father of environmental microbiology
What is an old wives'' tale
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