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A weather picture
A piece of white blotting paper is immersed in a solution having two parts cobalt chloride to one part common salt. While wet the paper will stay pink, but when dried in the sun or near a Bunsen burner it turns blue. This is the basis of the weather pictures sold in the shops. A home made one works just as well. A picture having sky or water can be cut from a book and an inset of this prepared blotting paper made to change say, the sky. The picture should then be mounted on a card and hung near a window where it will rapidly respond to changes in the hygrometric state of the atmosphere
does air is conductor
why we cannot see air
Life in Forests: Trees are the pillars of the forest upon which much of the other forest life is shaped. Associated with them, there may be more than a thousand kinds of s
Although certain physiological aspects of disposition of substances by organs within the body had received atten-tion earlier, it was in 1937, with the seminal work of Teorell, tha
#question.how yo make.
describe the factors which decide broad area of scientific activity
Explain Viscosity - Functions of Plasma Proteins Plasma proteins account for about half of the viscosity of blood, the other half being due to the blood cells. The contribution
Now imagine a human resource (HR) manager at a corporation, struggling with the concept of reading comprehension among employees in the workplace setting, wanted to try the new stu
what is inertia?
How do you explain the fact that clay soils which commonly have higher pore space than sandy soils are often more poorly aerated than sandy soils. Clay soils have higher pore s
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