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zloy xaker [14]
3 years ago
13

What are some things about Elisha Gray

Social Studies
1 answer:
olga55 [171]3 years ago
4 0
Elisha Gray was an electrical engineer. He is known for his telephone prototype and music synthesizer. Gray got over 70 patents for his inventions.

He was born on August 2nd, 1835 in Barnesville, Ohio. He died on January 21st, 1901 in Newtonville, Massechusetts.

Gray also invented the telautograph, this was a device that could transmit handwriting through the telegraph systems!
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What do you understand by productive age-group or active population? Explain its role in
Burka [1]

Answer:

Explanation:The working-age population in a region consists of those in a range of ages, typically 18-64 or 15-64, considered able and likely to work. ... This number is the number of capable employees available in an economy, a country, ... those who are actively employed but are outside of the designated age range.

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When did the first American combat troops arrive in Vietnam?
aev [14]
I researched this topic, and found that the first American combat troops arrived in Vietnam on <span>March 8, 1965, so your answer would be B!
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3 years ago
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How did the Greek city-states apply democracy? How did they limit democracy?
Kipish [7]

Answer:

The Greek city-states applied democracy by giving citizens rights and responsibilities. They limited democracy by restricting citizenship to only free, land-owning who were born in the polis. ... By 700 B.C., citizens called hoplites made up the city-state armies

Explanation:

city-state armies

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2 years ago
An example of unobtrusive data collection is: A. a laboratory experiment designed to learn whether people prefer Pepsi or Coke.
Montano1993 [528]

Answer:

C. examining body camera footage to determine the extent of excessive use of force among police departments.

Explanation:

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2. Systematic sampling.

3. Stratified sampling.

4. Cluster sampling.

5. Opportunity or convenience sampling.

An unobtrusive data collection is a data collection technique used mainly in the social sciences to obtain or gather data without the researcher directly interfering or interfacing with the subject being studied. Thus, it doesn't influence the behavior, action or response of the subjects under study.

Hence, an example of unobtrusive data collection is examining body camera footage to determine the extent of excessive use of force among police departments.

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The swedish immigrated to America for a better future and more job options

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