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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 pressure acting on other rocks.Fossils are inherently delicate things and thus precious little would withstand the conditions that are needed to create marble - and thus marble hardly ever contains fossils as a direct result of this.
How to make an experimental biter Fit a one-hole stopper carrying a short length of glass tube into the small end of a lamp chimney. Put a little cotton wool in the bottom and
The physico-chemical properties of cyanocobalamin are as follows: a) The vitamin can be obtained in a crystalline form. b) It is freely soluble in water. c) Crystal
if we drink liquid nitrogen then what happen
Gases : Critical temperature is the A substance which has a critical temperature below 50°C, has a vapour temperature above which pressure of more than 3 bars absolute (highly
What ways can igneous rock form two ways? Igneous rocks are formed when melted material crystallizes, e.g. from magma.
A simple mercury barometer Seal single end of a glass tube about 80 cm in length by rotating it in a gas flame. The tube should be held as almost vertical as possible. Join a s
Describe the formation of igneous and metamorphic rocks? Ans) Igneous rocks are formed by volcanic action and due to of volcanic activity. Metamorphic rock is formed by a co
Interstellar and Intergalactic Space: The space between the stars and the galaxies looks empty, doesn't it? But this 1s not true. In the great dark between stars in the galaxie
describe the factors which decide the broad area of scientific activity
The Arctic Circle lies at which latitudes: At (66 ½oSouth)
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