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How to make a constellarium
A constellarium is a simple device used in teaching the shapes of several constellations. Get a cardboard or wood box and remove one end. Draw the shapes of various constellations on pieces of dark coloured card- board large sufficient to cover the end of the box. Punch holes on the diagrams where the stars are located in the constellations. Place an electric lamp inside the box. When the lamp is turned on and several cards are placed over the end of the box, the constellations may be seen clearly.
Explain Functions of Gastric Juice - Enzyme action Enzyme action: Pepsin begins the chemical digestion of proteins. It converts proteins to peptones. The enzyme rennin present
Ask question how many years that our earth survived?#Minimum 100 words accepted#
Other visible light hazards : Ordinary, visible light can present a hazard under certain conditions. You can burn paper by focussing the sun's rays using a small magnifying lens.
what happens if one animal is not there
LASER stands for Light Amplification by Stimulated Emission of Radiation: It's a fairly long string of words. Well, don't let it stop you from reading further. What we wish t
What protist changes shape constantly and flows around it''s food to engulf it
Stereo isomerism:- Stereo isomerism occurs when the same compound due to different spatial arrangement of the groups attached to its asymmetric carbon atom exists in m
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Define age related changes in Endocrine system There is a decrease In blood concentration of the hormone / binding protein transport. Sensitive hormone receptors diminish. Age-
Metamorphic rocks Igneous and sedimentary rocks that have been altered from their previous condition through the combined action of heat and pressure below Earth's surface are
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