Answer: Porphyry
Explanation:
This is an igneous rock that has a fine grained texture!
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Answer:
d). It is easier to make a large reflecting telescope than a large refracting telescope.
f). A reflector can collect more light than a refractor.
Explanation:
A telescope is a device that is used to observe distant objects by the use of lenses and mirrors. It is also used to observe different distant objects by their reflection, absorption, emission or the reflection of the electromagnetic radiations.
Most of the professional telescopes are reflectors because :
1. The reflected telescope is able to receive more of the light when it reflects all the light falling on surface. And it is easier for making a large telescope rather then making large lenses for the refracting telescope. So it is easier to make large reflecting telescope than a large refracting telescope.
2. A reflected telescope receives all the wavelength of the light and it reflects all the light falling on the surfaces where it is refracted telescope that contains lenses cannot absorbs all the light and causes the chromatic aberration.
The invasion of Kuwait led to a United Nations Security Council embargo and sanctions on Iraq and a U.S.-led coalition air and ground war, which began on January 16, 1991, and ended with an Iraqi defeat and retreat from Kuwait on February 28, 1991.
Answer:
One of the three reasons for Georgia's founding. King George II hoped that Georgia would be able to produce wine, rice, silk, and indigo. The King hoped that the new colony would bring economic prosperity to England.
