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How to make a filter
A plant pot with a plug of cotton wool in the bottom and a layer of sand a few inches deep makes a satisfactory filter for many purposes.
Make some muddy water by stirring earth in a dish of water. Pour the water into the filter and catch it in a clear glass as it drips out. See if you can better the filter by building it up with alternate layers of sand and powdered charcoal. like a filter will work very well for clarifying water before it is boiled for drinking purposes.
Explain the Composition of pancreatic juice Pancreatic juice is the secretion of the exocrine part of the pancreas. It is alkaline in reaction. Its pH is 8.0 - 8.3. It consis
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Explain the Adrenocorticotropic Hormone (ACTH) ACTH, also known as corticotrophin, is a polypeptide and is synthesized by corticotroph cells of the anterior pituitary gland. It
Conducting experiments on animals (i) The qualifications or experience of the person(s) performing experiments on animals. (ii) Comfortable conditions provided, and animals
Explain Immune System The animals and the human beings are forced to encounter many dangerous microbe in their day-to-day life, through water, air and food. Inside our body the
When, in the geologic column, did dinosaurs become extinct at the Cretaceous-Tertiary boundary
The effect of soil on growing things Get samples of a fertile soil from a flower or vegetable garden, from a wood, from a place where a cellar is life form dug, from a sandy pl
2. Explain why KB has a low level of serum ketoacids? (4 points)
Define Hyposecretion of Insulin You may already be aware that an insufficiency of insulin in the body leads to the development of diabetes mellitus. It is caused by the degener
Use the following procedure for fire fighting. (1) Always take a position between the fire and the exit so your escape route cannot be cut off. Fire extinguishers should always
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