“By the turn of the 20th century, astronomers knew that the Sun was just one star in a galaxy comprised of billions of other stars. At the time, however, they thought that our galaxy might be the entire universe.” This statement best demonstrates
(25 Points)
A. Scientific knowledge may change as new information is discovered over time
B. Scientists wait many years before they modify their beliefs
C. Scientific knowledge may change as old information is discarded
D. Scientists conduct many experiments across the galaxy to find information about stars

Answers

Answer 1

Answer:

A

Explanation:

That’s what I would put

Answer 2

This statement best demonstrates scientific knowledge may change as new information is discovered over time. Option (A) is correct.

Who are Astronomers?

An astronomer is a person also known as a scientist who studies the stars, planets, and other natural objects in space.

The twentieth century saw a revolution in astronomy. The discovery of the electron in 1897 transformed spectroscopy and introduced plasma and magnetohydrodynamic physics and astrochemistry. Einstein's E = mc2 equation solved the problem of stellar energy generation and sparked research into elemental nuclear synthesis.

One of the ways astronomers have changed the field is by collecting more light, allowing them to go deeper into space.

Therefore, Option (A) is correct.

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Related Questions

The main sugar that is used as a reactant in cellular respiration is called
.

Answers

The main sugar that is used as a reactant in cellular respiration is called glucose

Answer:

glucose

The two cellular processes illustrated by the test tubes are cellular respiration and photosynthesis. During cellular respiration, the reactants—glucose (sugar) and oxygen—combine together to form new products: carbon dioxide molecules and water molecules.

Explanation:

please mark me brainliest

Sparta was best known for:
Its use of democracy.
Its beautiful works of art.
Its vast network of merchants.
Its strong army.

Answers

It’s strong army and democracy

Sparta was best known for its strong army. Thus, option (a) and (d) is correct.

What is army?

The term army refers to the military was the protection to the country citizen. The army was the trained person are the perfect knowledge of the weapons. The army is the person are they stay with the boarder. The only army man is to protect the enemy. The army person is the strong by the heart and the body.

Of all the ancient Greek city-states, the Spartans were largely regarded as having the greatest troops and the strongest army. Sparta was established around 480 BC as an ancient Doric Greek city-state. The Battle of Thermopylae is both a historical and an actual event, with 300 Spartans participating.

As a result, the Sparta was best known for its strong army. Therefore, option (d) is correct.

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The men who made up the early fighting force in the colonies were
called what?

Answers

Answer:

Minutemen were civilian colonists who independently organized to form militia companies self-trained in weaponry, tactics, and military strategies from the American colonial partisan militia during the American Revolutionary War. They were known for being ready at a minute's notice, hence the name.

Explanation:

hope this helps have a good night/day :) ❤

Answer: Minutemen were civilian colonists right so am guessing they were called The hence.. hope this helped !!

Explanation:

What is interdiscipline?

Answers

Answer:

relating to more than one branch of knowledge.

Explanation:

Compare the Texas state constitution to the United States national Constitution. What are the similarities?

Answers

Answer:

they are too restrictions and in wnybfi4ld and much be better in any field whether it it good er bar

Which member(s) represent an entire state. A) House of Representatives B) Senate C) Both

Answers

Answer:

B-Senate

Explanation:

House of Representatives represent a portion of the state.

Senate represent an entire state. Option (b) is correct. The Senate is commonly referred to as the "states' house" since senators are chosen to represent Australia's states and territory.

What do you mean by State?

A state is a group of people who have come together and are actively governing a given area.

Members of the House represent particular districts, whereas senators represent their entire states. The population of a state determines how many districts there in that state. There is a minimum of one representative from each state in Congress. The Senate and the House have developed into very unlike bodies.

Each U.S. House of Representatives member represents a Congressional District, or area of their state, with an average population of 700,000. However, senators speak for the entire state.

Therefore, Option (b) is correct. Senate represent an entire state.

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A newspaper headline reads the following,

"New Secretary of State appointed and confirmed"

Which parts of the national government participated in the process described in the newspaper headline?
a
Senate and president
b
Supreme Court and president
c
House of Representatives and Senate
d
Supreme Court and House of Representatives

Answers

Answer:

D

Explanation:

Supreme Court and House of representatives im not 100% sure if im wrong im so sorry.

gambling is an something legal activity​

Answers

Answer:

Gambling is legal

Explanation:

Why were the Middle Ages a dark time for learning?

The barbarians had destroyed the centers of learning.
The people were not interested in going to school.
The kingdoms did not have enough teachers.

Answers

Answer:

Because they were not smart

Explanation:

Answer:

The kingdoms did not have enough teachers because most adults capable of doing work were interested in keeping their families safe. :)

When the Supreme Court says a law is unconstitutional it means?

Answers

Answer:

Exercising its check on the power of the legislations.

Explanation:

The supreme court belonged to the judicial branch of the government. As a form of check and balances, the judicial branch has the power to check the legislative branch by conducting a judicial review.

In a judicial review, the supreme court will evaluate the laws proposed by the congress and see if any part of the law proposal violates the United States constitution. If there's a part that violate it, the supreme court can deemed the proposed law as "unconstitutional" and the law cannot be passed by the Congress.

What did John Adams have in common with Thomas Jefferson when it came to their political careers after the American Revolution?

A They both served as vice president before becoming president.
B They both considered themselves members of the Federalist party.
C They both supported the Alien and Sedition Acts, with some reservations.
D They both favored war with France and an alliance with Great Britain.

Answers

Answer:

A. They both served as vice president before becoming president.

Explanation:

During the tang and song dynasties what was the best way to move goods?

A. By land
B.by river
C. By air

Answers

Answer:D

Explanation:.............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. JK ITS B:) you thought I wasn't going to give you an answer didn't you

What did slaves sometimes follow when they started out on their journey north?

Answers

Answer:

The slaves sometimes followed the Northern Star which was in the constellation Big Bear(Big Dipper)

Explanation:

Answer:

The North Star

Explanation:

Lesson: "Underground Railroad" (Edge). This lesson explains that members of the Underground Railroad sent people to the south to secretly teach the slaves specific routes they could follow using the North Star (Polaris) for guidance.

(*) Sorry for my late answer but I hope this helps others that are looking for this.

What was Napoleon’s final military campaign?

A.Naval blockade of Britain
B.Failed invasion of Russia
C.Escaping from exile and raising another army in France

Answers

Answer:

Correct answer is C. Escaping from exile and raising another army in France .

Explanation:

A is not correct as Napoleon introduced  the blockade in 1806, trying to hurt British economy, and disable Britain to hurt him.

B is not correct as Napoleon retreated from Russia in 1812 and then in 1813 he was defeated at Leipzig. Then he was sent into exile on Elba.

C is correct as Napoleon returned from exile in 1815 but was then defeated in the famous battle at Waterloo.

PLEASE HELP IM TIMED
RESEARCHING Use the internet or another credible source to research a famous Roman Stoic. Describe who this person was and why they are known.

Answers

Answer:

Stoicism is a school of Hellenistic philosophy founded by Zeno of Citium in Athens in the early 3rd century BC. It is a philosophy of personal ethics informed by its system of logic and its views on the natural world.

Explanation:

Which best describes river erosion
1 Sediment is pushed by flowing water to the rivers edge
2 heavy rains overflow river banks and flood nearby flood plains
3 rivers dry up, causing lakes to form
4 river water carries sediment from mountains to oceans

Answers

1 sediment is pushed by flowing water to the river’s edge

Which of the following would the Puritan settlers of New England probably say was most important to them? Money Land Religion Resources'

Answers

Answer: Religion.

Explanation:

Religion was definitely the most important factor in the Puritan settlement in North America. Namely, the Puritans in England found themselves in a dispute with the church and the secular authorities over the arrangement of the church. Due to the impossibility of organizing the church according to their own views, the Puritans moved to North America. In that area, they organize the church at their discretion. The life of the Puritans, as well as everyday life, were imbued with strict religious rules. Economic reasons are second on the list; later, those who wanted to profit in the New World also began to immigrate.

The Anti-Federalists believed the greatest threat to liberty was __________.
A.
a Constitution that did not contain a Bill of Rights
B.
too much power in the hands of the national government
C.
giving executive power to only one individual in the office of president
D.
a federal system that gave power to both state and national governments

Answers

Answer:

A

Explanation:

The Anti-Federalists opposed the ratification of the 1787 U.S. Constitution because they feared that the new national government would be too powerful and thus threaten individual liberties, given the absence of a bill of rights.

Answer:

A. a constitution that didn't contain a bill of rights

Explanation:

The Anti-Federalists opposed the ratification of the 1787 U.S. Constitution because they feared that the new national government would be too powerful and thus threaten individual liberties, given the absence of a bill of rights.

What if you were named principal for the week? What would you do and Why?

Answers

No dress code for sure

Answer:

i would make the school have a better sanitary source so the school would be  more clean

Explanation:

i would do this because a lot of sicknesses happen in schools

PLEASE HELP! 40 points!
1. What part of the statehood act generated the movement for Native land claims?
2. What was Katalla? What did Alaskans learn from it?
3. What was in section 17(d)(2) of ANCSA and why was it included in the claims settlement act? How did it delay completion of the state's land selection process?
4. What is Title VIII of ANILCA State? How is it in direct conflict with the Alaska State Constitution?
5. What conditions in territorial Alaska gave support for the idea of an Alaska Permanent Fund?
6. What led to awareness of Native rights in Alaska and led Alaska Natives to form new groups and associations?
7. What was the impact of Prudhoe Bay oil discovery on Alaska's economy and society?
8. How did ANILCA impact known resource development opportunities in Alaska?
9. What is the Constitutional Budget Reserve (CBR?) What will be the impact of running out of money in the CBR on the annual state general fund budget?
10. Do you believe Alaska should continue to distribute the PFD? Use evidence from the reading to support your opinion.

Answers

Answer:

1. On December 18, 1971, Public Law 92-203, the "Alaska Native Claims Settlement Act," was signed into law by President Nixon. Public Law 92-203 was enacted by Congress to settle the claim of Alaska's native Indian Aleut and Eskimo population to aboriginal title to the land on which they have lived for generations

2. Katalla was at the center of the now-abandoned Katalla oil field. This was the first discovery of commercial quantities of oil in Alaska (1902). ... A Korean coal mining consortium resurrected potential interest in Katalla after they did coal exploration in the Bering River coal fields in the early 1980s.

3.Section 2 (a) there is an immediate need for a fair and just settlement of all claims by Natives and Native groups of Alaska, based on aboriginal land claims; ... Congress would settle Native land rights on the basis of how much money and land Alaska Natives needed. ANCSA extinguished aboriginal title to lands in Alaska.

4.Title VIII of ANILCA contains the rural preference provision. Subsistence became a highly charged, highly visible and emotional issue in Alaska. ... However, the rural preference in ANILCA is in conflict with the state constitution, which declares that Alaska's natural resources belong equally to all citizens.

5.

6.The growing awareness among Alaska Natives over the possible impacts of continued corporate management led to widespread Native participation in securing the terms of the 1991 amendments, galvanizing the tribal movement and debates over status and rights today.

7.The Prudhoe Bay oil discovery in the 1960s changed Alaska's economy significantly. The state's oil production dominates the economy. In 1961, summer jobs in fishing and construction made up the majority of Alaska's private jobs, with 66% higher employment in the summers.

8.In addition to adding more than 104 million acres to existing CSUs in Alaska, ANILCA contained numerous unique provisions to address Alaska's needs for economic development on state and private lands, for transportation and utility infrastructure, and to protect continued uses of federal lands.

9.

10.All Alaskan citizens with a residence of one year or more are eligible, except for those who have been convicted of state felonies, are incarcerated, or are convicted of specific misdemeanors. The fund invests in a variety of areas, including equities, fixed income, real estate, and private equity

hope this helps!!:)

Explanation:

What did it mean to be an American in the 1800

Answers

Answer:

To basicly beat the hell out of anyone who u dis agreed with about race

Explanation:

Im doing the american revelution

A former country to the north of Albania

Answers

Answer:

Zaddy

Explanation:

Answer: starts with O

Explanation: its on my work

Choose one of the animals listed on the page, and write a brief description of its characteristics. Be sure to discuss any ways the animal has adapted to its environment.

Answers

Answer:

Kangaroo rats

Explanation:

A kangaroo rat is small animal that is found in the deserts of the southern and western U.S.. They are intelligent mammals and are highly adapted to their environment.

The kangaroo rats does not drink water and does not need water at all. They preserve water. They have well adapted themselves to the life of a desert. They can extract moisture form their seed diet. They have an excellent sense of hearing and can hear the approaching owl from mile away.

The kangaroo rats have thick oily coats and they do not sweat though they live in the desert. These adaptations prevent them from losing water in the harsh dry and hot climate.

Why was The Mayflower Compact so important to the colonists?

Answers

The Mayflower Compact was important because it was the first document to establish self-government in the New World. It remained active until 1691 when Plymouth Colony became part of Massachusetts Bay Colony

Which battle is being described above?

Battle of Galveston


Battle of Sabine Pass


Battle of Palmito Ranch


Battle of Monett's Ferry


CLEAR ALL

Answers

Answer:

How are we gonna find out. There’s no information.

Explanation:

3. Conclude the impact the Germanic barbarians such as the Vandals, Angles, Saxons, Huns, and Visigoths had on the fall of Rome.​

Answers

Answer:

The had large impact as they were the one that eventually defeated and conquered the Empire. Of course, Empire was already in bad condition, but this frequent attacks by the Germanic tribes weakened the Empire furthermore. At the end, Ostrogoths were the one who destroyed Rome in 476.

Explanation:

Namely, after the Great Migration the Germanic tribes started attacking and settling on the soil of the Roman Empire.

They were all pushed by the Huns, who created many problems for Romans. Although, the Huns disappeared from historical theater they already harmed Roman Empire a lot.

Germanic tribes started attacking and settling on the Roman territory. Angles and Saxons settled in England, Vandals in North Africa, Visigoths in Spain.

All of them contributed to the fall of the Empire.

HELP PLS
Who won the war on the Western Front?*
A)Allied Forces
B)Central Powers
C)Russia
D) Turkey

Answers

Answer:

I believe the allied forces won the war.

HELP ASAP!! YOU GET THANKS AND BRAINLEST IF CORRECT!! And points.

Answers

Explanation:

I think it's B or C I'm not sure but it's one of those I believe

The answer is b good luck

Toxins from industrial factories have gone down by 90 degrees % since the passage of which law?

Answers

Answer:

Clean air Act

Explanation:

The clean air act was initially created in 1963, as an effort by the federal government to reduce the air pollution on national level. These national pollution contained a lot of toxins from the residual of industry related activities.

The clean air act created strong regulations that must be followed by the companies to manage their waste disposal. Since the act will make the companies legally subjected to lawsuit if they follow the regulations, it led to a massive decrease in the amount of air pollutant within the country.

What are 2 examples of countries in which their cultures have met?
Please help fast I'm on class

Answers

Answer:

French, Italians and Spanish have a similar approach

Explanation:

What do you mean by met?
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