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A self-starting siphon
Secure a piece of glass or plastic tube about 2.5 cm in diameter and 8 to 10 cm in length. Fit single end with a one-hole stopper, carrying a short length of glass tube that extends about a centimetre under the stopper on the inner side. Fit the other end of the large tube with a two-hole stopper. By one of the holes in the two-hole stopper place a jet tube which extends up by the larger tube and into the opening of the glass tube in the one-hole stopper. Connect a long rubber tube to the glass tube in the single-hole stopper
ehat is protoplasm and other levels of organization
Effects of Soil Aeration Some soil pores are full of O 2 and/or CO 2 gas. These gases take part in the respiration of plants. We know that respiration involves the oxidatio
Explain Tidal Volume and Inspiratory Reserve Volume Tidal Volume (TV): It is the volume of air that is taken in or given out during quiet breathing. The volume 1s about 500
Observe how a metal tyre is fitted on the wheel of bullock cart
Another way to show that air expands when heated Snap a toy balloon over the neck of a small bottle and place the bottle in a pan of warm water.
Issues Related to Safety Management (i) Plant design - There was a major error in the plant design. There was no need of storing such a hazardous substance in such huge amount
Define age related changes in Excretory System There is a progressive decrease in the number and size of nephrons fiasic unit of the kidney). There is a 10% decrease in renal p
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
.How did the geocentric theory change over time as increased scientific knowledge led to increased consensus within the scientific community?.
Dietary Requirement during Fever and Infection: During fever, there is a break down of tissue proteins, and water and salts are lost. The BMR increases with the rise of ever
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