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qwelly [4]
3 years ago
12

How do governments restrict competition in the marketplace?

Social Studies
2 answers:
svetoff [14.1K]3 years ago
5 0
Governments restrict competition by adding taxes and laws on certain items, and propose an embargo.
hammer [34]3 years ago
3 0
They eliminate monopolies and limit the price ceiling.
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What tests do archaeologists use to determine how old a fossil or artifact is?​
Makovka662 [10]

Answer:

Explanation:The approximate age of ancient artifacts can be determined as long as the artifact is not older than 50,000 years. It’s a technique called carbon-14 dating. All organisms that live on the Earth are based on carbon. This would be wood, plants, animals and of course humans.  

There are three different isotopes of carbon, C-12, C-13, which are stable, and C-14. Carbon-14 is used for dating because it is radioactive and considered unstable. It will decay, or emit radiation, over a long period of time at a near consistent rate. The rate of decay, which can be measured, is 5,730 years equals one half-life.  

Carbon-14, described by Argonne National Laboratory, is produced in Earth’s atmosphere when N-14, Nitrogen, from New World Encyclopedia, atoms are bombarded by cosmic rays from space. They collide with the N-14 atoms and convert them into C-14 atoms. This collision changes a proton into a neutron. The C-14 then combines with oxygen to form carbon dioxide, CO-2. This is then absorbed by plants and animals.  

All living things are replacing their carbon-14 as they continue living. Once they die the dating process begins. The radioactive carbon-14 begins to decay. It is very difficult to date organisms less than 1,000 years old because there is too much carbon-14 present. The same problem happens on the other end of the spectrum when an organism is older then 50,000 years, when there is not enough carbon-14 to measure.  

Accelerated Mass Spectrometry (AMS) as explained by llnl.gov, was started by J.J. Thomson, from Nobel Prize.org, in 1897. “At first there were very few who believed in the existence of these bodies smaller than atoms. I was even told long afterwards by a distinguished physicist who had been present at my (1897) lecture at the Royal Institution that he thought I had been, ‘pulling their legs.” This by Scrips.edu.  

Beginning in the early 1900’s, mass spectrometry has been used to calculate the age of organisms using the carbon-14 isotope. Ions are accelerated in a field of millions of volts and smash through a gas or carbon foil. These ions then come to a stop in a gas ionization detector. Ion identity is determined by how fast they slow down.  

Carbon-14 slows down faster than a nitrogen-14 isotope of the same mass. The AMS is a million times better at detecting the ratio of isotopes, by Colorado Edu,  than by conventional means. It’s this ratio that determines the age of the item tested. The AMS can recognize one carbon-14 isotope among a quadrillion different carbon atoms.  

Dinosaur fossils, by All About Creation, cannot be age tested using the carbon-14 method because they are millions of years old. To determine their age the isotope’s from uranium-238, uranium-235 and potassium-40 are used. They all have a half-life of more than a million years.  

Dinosaur fossils are found in sedimentary rock. The isotope’s needed to determine age are rarely found in sedimentary rock. Those isotopes are found in igneous rock made from cooled magma. No fossils are found in igneous rock because when it forms it would be too hot and destroy the bones. Scientists study neighboring layers of sedimentary rock that was formed at approximately the same time as the igneous rock. This gives them an approximate age of the fossil.  

Using this method, scientists estimate the Earth is about 4.5 billion years old, USGS. Moon rocks are the same age lending weight to the theory that the Earth and Moon formed at the same time.    

4 0
3 years ago
Every time we watch a television commercial, read a pop-up ad on the internet, or listen to a political speech, someone is using
Mandarinka [93]

Every time we watch a television commercial, read a pop-up ad on the internet, or listen to a political speech, someone is using "Persuasion" to try to influence what we believe or how we will behave.

<h3>What is Persuasive communication?</h3>

Persuasion is the act of delivering arguments in order to influence, motivate, and change your audience. Persuasion can be implied or explicit.

Some features regarding the Persuasive communication are-

  • Motivation entails using force, a trigger, as well as enough influence to effect change.
  • Persuasion is the technique that drives the audience to modify their attitudes and behavior, embrace your point of view, and react to your arguments.
  • The goal is to influence your audience's views, attitudes, judgments, and values.
  • Because the audience's prejudice in judgment may be present, plan a few good points so that they can respond to and comprehend your topic.
  • If the audience believes that shortage or an issue exists, they will seek solutions.

To know more about the Persuasive communication, here

brainly.com/question/14499660

#SPJ4

3 0
2 years ago
The survival of the fittest is an idea promoted by
kodGreya [7K]
B.charles darwin

Natural Selection, Survival of the fittest favors the “fit” and adaptable to survive in the harsh and hostile environment. Organisms that has a Type 3 survivorship curves has high reproduction rate since it also has greatest mortality rate. And why does natural selection favor these type of organisms is because these organism first-handedly were able to “adapt”. The theories states that organism need to be adaptable to survive hence, their reproductive mechanisms were stimulated and improved with the awareness of the susceptibility and vulnerability of these type of species.   <span> 
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5 0
2 years ago
The category of the U.S. population in which women do most of the housework is ________ unemployed people. unmarried people. peo
max2010maxim [7]

Answer:

Married people who have children.

Explanation:

The category of the U.S. population in which women do most of the housework is married people who have children. This has been true for thousands of years because women are the caretakers and men mostly go to work. This should stop because women are equal to men and they should both be able to have a job.

3 0
3 years ago
In a weak mayor system, the mayor's role is to
evablogger [386]
Serve as a Symbol of leader ship but ultimately the mayor has no formal authority outside the council The mayor cannot directly appoint or remove officials lax veto power over Council votes.
8 0
3 years ago
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