1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Natalija [7]
3 years ago
12

Researchers wanted to see if adults were actually afraid of the dark by exposing them to different levels of light in a room whi

le measuring their heart rates. In this experiment, what are the different levels of light?
a) The dependent variable
b) The independent variable
c) The control group
d) The experimental group
Social Studies
1 answer:
3241004551 [841]3 years ago
7 0

Answer:

a) Dependent variable.

Explanation:

In a experiment you need to set two variables: Dependent and independent.

Dependent variable is the one you are going to manipulate to study its effects in the independent variable.

You don't manipulate independent variable in an experiment, because it doesn't get you anywhere.

You might be interested in
Large bodies of water near Jamestown
e-lub [12.9K]
One of them are called Chesapeake bay.
8 0
3 years ago
Read 2 more answers
which best describes social changes in south carolina since 1980? a. women are less likely to attend college than men. b. fewer
Burka [1]
C. a greater number of women have careers outside the home

This is the only question that is the opposite of all the others, for starters. In addition, 2nd Wave Feminists of 1980 campaigned for women in the workforce, so I would likely guess that it would be c.
7 0
2 years ago
The ____________ in an oratorio is especially important and serves either to comment on or to participate in the drama
Karolina [17]

The chorus in an oratorio is especially important and serves either to comment on or to participate in the drama.

<h3>What is an oratorio?</h3>

This a is the term that is used to refer to the large musical compositions that are made up of the orchestra, the soloist and the choir. One of the characteristics that they may have would be the presence of a large number of instruments in the musical work.

This type of musical text is known to be based on scripture. Hence we can say that The chorus in an oratorio is especially important and serves either to comment on or to participate in the drama.

Read more on the drama here: brainly.com/question/1529297

#SPJ4

6 0
2 years ago
Roughly how many African Americans served in the Union (North) Army and Navy during the Civil War?
steposvetlana [31]
About 179,000 African American soldiers
7 0
3 years ago
Read 2 more answers
Can i get help ive been sick and have to catch up brainliest if possible
Reika [66]

Answer:

Explanation:

I really don't know on most of these but these are my best guesses:

4: C (many migrated to South Carolina because economic wealth, weather, and served in the war)

5: Either B or C; I think it's C but if you can remember based on what you read it'll help you determine between those options.

6-8 (I'm not sure but google may help)

9: I believe is B because in the 1920's government spending was the primary issue, ending after WW2

5 0
3 years ago
Other questions:
  • As in early adulthood, __________ tend to be emotionally closest during middle adulthood.
    8·2 answers
  • What happened to JFK during his presidency?
    13·1 answer
  • What technological improvement did the assembly line bring?
    10·2 answers
  • When checking the emergency brakes, the tractor protection control valve should be placed in the:__________
    6·1 answer
  • Which is a true statement?
    12·1 answer
  • 3. Which of these powers does the Constitution give the president?
    11·2 answers
  • Which of these "fourth" factors of production measures the qualifications of a worker?
    13·2 answers
  • Of what thing is this pic? Explain.
    10·1 answer
  • Two ways in which women and children can be protected from discrimination and violence​
    13·1 answer
  • How did China experience rapid industrialization?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!