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zhuklara [117]
3 years ago
5

After volunteering for an experimental study, nora is included into a group of 30-year olds. she finds that there are other grou

ps having people both younger and older than her. the study's results show that the mental scores of the younger lot are higher than the rest. nora was part of a ________.
Social Studies
1 answer:
LuckyWell [14K]3 years ago
4 0

I believe the answer is: cross-sectional study

cross-sectional study refers to a type of observational study that use a group of subject from a population with a specific characteristic from a specific point of time. This type of study is usually used to assess the prevalence of acute or chronic conditions and not the perfect type to be used to find a causal relationship between variables,.

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Typically their sale lasts for four weeks.
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2 years ago
1. Describe what the War Industries Board and The Railroad Administration were and their
Naya [18.7K]

The war industries board was set up to reconvert the US economy.

<u>Explanation:</u>

  • The WIB existed from the month of July in the year 1917 to coordinate, fixing prices for increasing the American economy.
  • It led to greater control of the government.
  • The WIB had some special authority to order factories.
  • It also supports to increase the power of government.
  • The railroad administration helped to create the industries.
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  • It also used to increase economic prosperity.
  • Because there is a demand for goods in the east company.
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8 0
3 years ago
Stella will be helping her father out on the farm this summer. She has a Class B license. Can she use a farm trailer?
aniked [119]

Answer:

Yes

Explanation:

Based on the information provided within the question it can be said that Yes, Stella can use a farm trailer with a Class B license. This is because a Class B license can operate vehicles with a gross combination weight rating of 26,001 or more pounds. This includes

  • Straight trucks
  • Large passenger buses
  • Segmented buses
  • Box trucks
  • Dump trucks with small trailers
  • Tractor-trailers  (as well as farm trailers.)

Therefore since she has a Class B license then she should have no problem.

8 0
3 years ago
Read the excerpt from "lessons of dr. martin luther king, jr." the time is now for people, of all races and backgrounds, to soun
Basile [38]
<span>Cesar Chavez by reading excerpts from "lessons of Dr. Martin Luther King, Jr." wanted people to make a change in the society for the upliftment and betterment of farm workers so that they can have better living, better health facilities, better financial help from government and their civil rights be protected. Cesar Chavez was aware of the hardships faced by farm workers so he wanted a change in the society to improve treatment facilities, better pay and better working conditions for farm workers.</span>
6 0
4 years ago
Read 2 more answers
A photo cell emits electrons when yellow light falls on it. Which of the following statements is correct if a light of frequency
scZoUnD [109]

Answer:

Velocity of the emitted electrons increases

Explanation:

Velocity is directly proportional to frequency and this can be seen from the equation

v=fλ

Hence, if the frequency increases, the velocity is bound to also increase. Thus  an increase in frequency as stated in the questions would definitely result to an increase in the velocity of the emitted electrons as seen from the equation above.

4 0
3 years ago
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