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brilliants [131]
2 years ago
7

What is the rat self administration model?

Social Studies
1 answer:
Ipatiy [6.2K]2 years ago
7 0

In a prominent model of self-administration developed by George Koob, rats are allowed to self-administer cocaine for either 1 hour each day (short access) or 6 hours each day (long access).
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Which detail best supports the idea that only immigrants with good health were allowed entrance into the United States?
algol13

Answer:

This is an incomplete question. The excerpt in the question is missing.

The answer is --

A. One doctor drew chalk marks on immigrants with health problems  

Explanation:

        The excerpt is taken from Immigrant Kids and is written by Russell Freedman. In the excerpt, two doctors working for the United States Health Department examines the immigrants in the airport for any contagious diseases and health issues and also detain people for any mental problems also.

         In the excerpt, it is given that the doctors mark the immigrants with a chalk those who have some health problems and identify unfit to enter United States.

Thus the correct option is -- (A).

4 0
3 years ago
Ocean sediments are classified primarily by:<br> size <br> color <br> density <br> location
Katena32 [7]
THis is Right I just had a test
4 0
3 years ago
Which major body of water lies to the west of Southeast Asia?
Tresset [83]

Answer: c

Explanation:

6 0
2 years ago
Read 2 more answers
There are 4 steps of memory (according to information-processing models):
algol [13]

Answer:

When you learn something new neurons in your brain start parallel processing.

Explanation:

In information-  processing models there are four stage;

  • Encoding- Receiving of data in code format.
  • Storage- Accumulation of information in small group in different parts of the brain.
  • Retrieval- Reorganize and recapitulation of received data.
  • Parallel processing- Keeping the earlier collected data and simultaneously receiving new data.

All these levels similarly work in our brain when a person learn, retain, retrieve something new. A child in its growing stage run through all these phases (0 to 12 years old).

3 0
3 years ago
What might be the result of giving an indigenous language official status
sergeinik [125]

Answer:

Certain languages are given official status and recognition while the majority of languages, particularly indigenous languages, are denied legal recognition. Indigenous languages and their speakers are diminished and made to seem inferior, thus allowing for discriminatory policies and practices.

3 0
2 years ago
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