How did scientists determine that the outer core is a liquid?

Answers

Answer 1
They came to the conclusion that the outer core must be liquid because S waves do not pass through it, but P waves do. By observing many seismic waves from earthquakes, the scientists have been able to measure the density of many parts of the earth (i.e. core, crust, and mantle)

Related Questions

an airport control technician who is responsible for keeping flight traffic moving safely has higher ________ than a clerk welcoming you at a hotel.

Answers

Answer: Salary

Step-by-step explanation: Hotel clerks earn around $25,737; while airport control technicians earn $48,500 (25th percentile) to $79,500 (75th percentile).

An airport control technician who is responsible for keeping flight traffic moving safely has higher salary than a clerk welcoming you at a hotel.

What is air traffic control ?

ATC is a service offered by ground-based air traffic controllers who guide aircraft through a certain area of controlled airspace, on the ground, and can offer advisory services to aircraft in uncontrolled airspace.

ATC's main goals are to stop collisions, arrange and speed up the flow of air traffic, and give pilots information and other support.

Radar and radio are used by air traffic controllers to track the whereabouts of aircraft in the designated area and to communicate with the pilots. ATC enforces traffic separation regulations.

which guarantee each aircraft maintains a minimum amount of unoccupied space around it at all times, to prevent crashes. All private, armed forces, and commercial aircraft operating in those nations receive services from ATC.

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Who was the first woman to go to space?

Answers

Answer:

cosmonaut Valentina Tereshkova

Explanation:

One important result of the French Revolution was that

A. France enjoyed a lengthy period of peace and prosperity.

B. The church was restored to its former role and power in French government.

C. Political power shifted to the bourgeoisie.

D. France lost its spirit of nationalism

Answers

Answer:

C

Explanation:

The French revolution vital outcome had been that the political power shifted to the third tier of the society as the top two tiers (Clergy and Noble class) lost their significance.

Bourgeoisie means the social order dominated by the middle class in the society.

France was in turmoil for a longer period after the French revolution started in 1789.

Nationalism rose to the high levels with slogans- Justice and Liberty.

The church and clergy were not able to regain their power and control like prior to 1789.

¿Cuál es el origen de la globalización?

Answers

Answer:

Huh? Don't ask nonsense questions ok

Question The reason you feel comfortable walking into a new college class is because you follow the same ________, or sequence of events each time you go into a new class. social expectation social expectation social norm social norm script script attribution

Answers

Answer:

The reason you feel comfortable walking into a new college class is because you follow the same -script-, or sequence of events each time you go into a new class.

which type of mutation is responsible for new variations

Answers

Answer:

Frameshift and missense.

What is the Dependent, Independent, and Controlled Variable of a plant growth experiment?

Answers

Answer:

In this experiment, the addition of fertilizer is the independent variable manipulated by the scientist. Plant height is the dependent variable that responds to the change in the independent variable. Each plant is exposed to an equal amount of sunlight, so sunlight is the control variable.

Explanation:

During the Medieval Age monks would lock themselves inside a monastery in order to devote their lives to prayer. A sociologist in the 21st century would look at this cultural phenomenon and label it:_________.a. A total institution b. An incomplete institution c. An excellent cross section of the population d. A psychological phenomenon that is outside the realm of sociological study

Answers

It is b, an incomplete institution

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What roles do asian regions play in trade?

Answers

Answer:Rice and silk

Explanation:

What was the main goal of an Aztec warrior during battle?
a. Capture as many prisoners as possible.
b. Collect as much of their enemy's supplies as possible.
c. Kill as many enemies as possible.
d. Avoid battle at all costs.

Answers

Answer:

A: Capture as many prisoners as possible.

Explanation:

I hope this helps :)

Answer:

A: Capture as many prisoners as possible.anation:

what did the shoemaker find on his table in the morning?

Answers

Answer:

A new pair of shoes (If your talking about the story The Elves and the Shoemaker)

Hope this Helps

Do you think that NASA's DART experiment is important to research?

Answers

Answer:

yes!

Explanation: because NASA is for smart people to go to space! and ride around it rockets and eat weird food! so no wonder they experiment!

Will give brainliest!

Answers

Answer:

uhhh

write a essay? or ය

Explanation:

Fast food should be illegal

fast food should be Illegal for several reasons. For example, fast food is very unhealthy and can cause health problems such as obesity. Also, this type of food does not contain the nutrients your body needs to function.

The power of the President to refuse to approve a bill or joint resolution and thus prevent its enactment into law is the veto

WHAT NATIONS FORCED THEIR NATIVE PEOPLES TO CHANGE THEIR CULTURE AND LANGUAGE, SOMETIMES GOING SO FAR AS TO MAKE THE NATIVE PEOPLE TO CUT THEIR HAIR, LEARN ENGLISH LANGUAGE, DRESS AS THOUGH IN 'WHITE MAN'S CLOTHES'?

Answers

Answer:

India

Explanation:

What Southern European country that also established early colonies in what is now the southern part of the United States?

Answers

Answer:

France

Explanation:

France had colonies in now present day Louisana.

Was a lot of thought given to how the formerly large rooms were divided?

Answers

Answer:

No, ventilation nor lighting was put into consideration.

Explanation:

at which irish castle will you find the ""gift of gab""?

Answers

Answer: Blarney Castle, Blarney

Explanation:

what did britain do to correct its balance of trade with china?

Answers

Answer:

Britain sought to correct its balance of trade with China through the illegal importation of opium in the 1800s.

Explanation:

Psychology





What does it mean when someone uses “we” and “we’re” often in conversation?




Links and answering just for points will be reported

Answers

assuming the person is talking about a bad situation that happened, the reason would be to try and pass blame rather than take accountability.
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¿Para que sirve la investigación?

Answers

Answer:

no

Explanation:

what might be 6 methods of peaceful protest ..?​

Answers

Answer:

Non-Violent activities like

picketing

marches

vigils

protest art

protest music and poetry

Etcetera

Explanation:

In order to increase their GDP, countries will ______________ their natural resources.



Import


Export

Answers

Answer: Export

Explanation: Can't really explain

Answer:

Export

Explanation:

how often must a licensed driver renew their drivers license?

Answers

Driver licences can be renewed for three or 10 years. However, if you're 75 years of age or older, you can only renew a driver licence for three years.

Answer:

Look below

Explanation:

If your under the 18 years old when you first get your license, your license will expire on your 18th birthday. If you are between 18 and 84 years old, your Texas license is good for six years. But once you hit the age of 85, you´ll have to start renewing your license every two years.

The Virginia Company wanted to settle in
North America
A. for economic reasons
B. for charitable reasons
C. for political reasons

Answers

Answer:

There are three main reasons for European Exploration. Them being for the sake of their economy, religion and glory. They wanted to improve their economy for instance by acquiring more spices, gold, and better and faster trading routes. Also, they really believed in the need to spread their religion, Christianity.

Explanation:

Why did the Virginia Company of London establish the colony? The Virginia Company was in search of economic opportunity. They expected to profit from mineral wealth such as gold and iron ore, timber and wood products and other natural resources.

brainliest hope taht helps

what is the difference between paramount and paramount plus

Answers

Paramount plus have a bigger selection of movies and less advertisements

What are the affects of globalization in china?

Answers

Answer:

Polutiion

Explanation:

Im pretty sure its pollution hope this helps l

Which religion is defined by a strict moral code based on preserving life?

A. Jainism

B. Sikhism

C. Buddhism

D. Hinduism

Answers

Answer:

A) Jainism

Explanation:

HOPE IT HELPS YOU!!

explain why Australia day should stay and not be changed

Answers

Answer:

On Australia Day we celebrate all the things we love about Australia: land, sense of fair go, lifestyle, democracy, the freedoms we enjoy but particularly our people. Australia Day is about acknowledging and celebrating the contribution that every Australian makes to our contemporary and dynamic nation.

A Is an adjective that appeals to readers’ senses

Answers

Answer:

Imagery

Explanation:

A word or group of words in a literary work which appeal to one or more of the senses: sight, taste, touch, hearing, and smell; figurative language

The extent to which respondents can tell what the items are measuring is known as __________. projective hypothesis the P. T. Barnum effect face validity content reliability

Answers

Face validity is often applied in some research. The extent to which respondents can tell what the items are measuring is known as  face validity.

Face validity is simply known as the rate to which a test occurs so as to measure, what it is made to measure.

This kind of validity in research deals with if a test appears (at face value) to measure what it claims to.

It is known as the least sophisticated measure of validity because the tests  purpose is clear, even to naïve respondents.

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