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joja [24]
3 years ago
5

Before the Constitution could go into effect, __________ of __________ states were required to approve it. A. 5 . . . 7 B. 9 . .

. 13 C. 13 . . . 13 D. 45 . . . 50
Social Studies
2 answers:
zubka84 [21]3 years ago
9 0
The correct answer is B. I am sure.
almond37 [142]3 years ago
7 0
B.9 out of 13 had to approve the constitiution
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Identify this instrument. Answer now! Correct answer gets brainliest!
Irina18 [472]

Answer:

Refracting Telescope

Explanation:

Using a telescope, one may create a magnified view of faraway things. In order to collect and analyze radiation from the gathered data, a telescope is essential. The image shows a refracting telescope in action. Refracting telescopes are essentially optical telescopes that create images using lenses. It is additionally known as a dioptric telescope.

<em>What's the function of a refracting telescope?</em>

In its most basic configuration, a refractor telescope collects light from and creates a picture of what you are attempting to see using a convex lens at "the front" of the telescope, known as the objective lens.

An eyepiece takes up the picture and amplifies it for inspection after the light is bent by the single convex lens at a certain distance.

The drawback of a single convex lens is that not all colors of light are bent equally by it. Consider the way a prism creates a rainbow by dividing a light beam.

At the eyepiece, this uneven light bending creates a colorful picture that, if it's severe enough, becomes undefinable or useless. We refer to this as chromatic aberration.

Hundreds of years ago, humans discovered that making glass with

slightly varied "impurities" in it caused the various varieties of glass to bend light differently from one another.

As a result, the achromatic lens was created. To lessen chromatic aberration, two distinct types of glass are combined in this way. We have been utilizing achromatic lenses for our telescopes for the past 200 years or more.

Going even further, achromatic lenses are enough, or can be, for the majority of astronomers and the observing they undertake, even if they do not provide completely color-free images (that is, images free from chromatic aberration, not a b&w image). Even better refractor telescopes without chromatic aberration were desired by several telescope manufacturers and astronomers. As a result, the apochromatic refractor was created. A well constructed apochromatic refractor will, for all intents and purposes, provide a colorless image.

For the objective lens of the apochromatic refractor, three different kinds of glass are used. Apochromatic lenses can be manufactured from two different types of glass, but whether two or three lens elements are used, at least one of them must be a more expensive, rarer variety of glass. The price of the pricey glass has been decreasing as more is made to match the demand since telescope manufacturers have been making apochromatic refractors for many years. As a result, amateur astronomers may now afford this kind of telescope.

As a result, a refractor telescope contains an objective lens that collects the light and picture of the object you wish to study, and an eyepiece that focuses and amplifies that light and image for observation.

Cheers!

8 0
2 years ago
Read 2 more answers
What caused the irish to immigrate to the U.S.
Lostsunrise [7]
The Irish potato famine
6 0
3 years ago
Read 2 more answers
The Civil War affected the northern economy by​
emmainna [20.7K]

Answer:

While the agricultural, slave-based Southern economy was devastated by the war, the Northern economy benefited from development in many of its industries, including textile and iron production. The war also stimulated the growth of railroads, improving transportation infrastructure.

Explanation:

5 0
2 years ago
Four-year-old Junko lives in Miyazaki, Japan. Jacie is also 4, but she lives in Meridian, Mississippi. Based on the text's discu
Rzqust [24]

Answer:

Pride;Fear

Explanation:

PRIDE can be defined as the way a person is been fulfilled as a result of his/her achievement and it can also lead to a fulfilled feeling of belonging and a product of praise especially towards one's own actions .

Pride also can mean satisfaction from doing something good or great it is often seen as a sense of the respect that people have for someone.

FEAR can be defined as the way in which a person smell or perceived danger around them which inturn create intense fear or triggers fear in such person and this can often lead to physiological and behavioral changes of the person because of the unpleasant emotion or thought that the person have when he or she is frightened by something.

Therefore Four-year-old Junko who lives in Miyazaki, Japan based on the text's discussion means Junko's parents are probably most concerned with regulating her expression of PRIDE while Jacie who is also 4, but she lives in Meridian, Mississippi. Based on the text's discussion, means Jacie's parents are probably most concerned with controlling her expression of FEAR

3 0
2 years ago
Please help 50 points
kozerog [31]
4 hope it helps
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5 0
3 years ago
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