Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional questions. Online Content: Site 1 What was considered Alexander the Great’s greatest victory? Why was it considered so impressive? Which army did he defeat? (Site 1)

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Answer 1

Answer:

Battle of Gaugamela where Alexander the Great defeated the mighty Persian army and conquered them He also expanded his empire from the Atlantic ocean to India (which you got to say was pretty impressive)

Explanation:

Related Questions

Please help me with a question

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Answer:may be c 4 not 100% sure

Explanation:

Select the reasons why most professional telescopes are reflectors rather than refractors.
a) A lens has to be supported only around its edges.
b) Only the front surface of a mirror has to have a precise shape.
c) Reflecting telescopes have shorter focal lengths than refracting telescopes.
d) It is easier to make a large reflecting telescope than a large refracting telescope.
e) Lenses are not subject to chromatic aberration.
f) A reflector can collect more light than a refractor.

Answers

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.

It is simpler to make a large reflecting telescope than have a large refracting telescope. A reflector can collect more light than a refractor. Hence the options D and F are correct.

What are professional telescopes ?

A telescope is an optical instrument that is used for seeing far objects from a distance and includes the measures for the various distances that can be used to see through the device. The light that is emitted, absorbed, and reflected can be seen through the electromagnetic radiation can be observed through the refracting lens of the telescope.

Find out more information about the telescopes.

brainly.com/question/1331936.

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