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
aev [14]
3 years ago
11

An experiment was designed to test the effect of ultraviolet light on the growth of mold spores. A sample of mold spores was div

ided into two groups. The groups were grown under the same conditions, except that group A was exposed only to ultraviolet light and group B was grown in total darkness. What is the purpose of group B being grown in total darkness?
To limit bias

It is the dependent variable

It is the control group

To add an alternative variable
Biology
1 answer:
jenyasd209 [6]3 years ago
3 0

Answer:

C

Explanation:

You might be interested in
What would happen if the earth's tilt went from 23.5 degrees to 0 degrees
Y_Kistochka [10]
There would be no seasons.
4 0
3 years ago
Assess whether urban or rural areas are more likely to have high levels of smog.
yan [13]

The urban areas are more likely to have smog than the rural areas.

Urban area can be referred to as the town or city with advances an developments. Since the urban areas have more population density, more electronic items, vehicles and also industries, that is the reason why they are more likely to produce the smog or any other form of pollution.

Smog is a type of air pollution formed dye to the combination of smoke and fog. The most common source of smog is the burning of coal. This can be either due to industries or the fuels of vehicles. Fog can be of two types: Photochemical smog and industrial smog.

To know more about smog, here

brainly.com/question/15728274

#SPJ4

6 0
1 year ago
Which sentence supports the statement that complex, multicellular organisms are made up of specialized cells that each perform d
Dafna1 [17]
It should be B as your answer.
6 0
3 years ago
Read 2 more answers
New world monkeys have:______.
Scilla [17]

Answer:

d num have broad and flat bodies

3 0
3 years ago
Read 2 more answers
Archeabacteria and bacteria are domain types of prokaryotic organisms.
cricket20 [7]

TRUE,hope this helped :))

6 0
3 years ago
Other questions:
  • How are a hypothesis and data related?
    6·2 answers
  • Match each organism with the correct description.
    7·2 answers
  • Which shows the order of size from smallest to largest?
    9·1 answer
  • I NEED HELP WITH THIS QUESTION ITS DUE TOMORROW
    9·2 answers
  • Which of the following characteristics are expected in the first animals to have colonized land?
    8·1 answer
  • What are the reaction of group 1 elements ?
    5·1 answer
  • Why do my friends give me so much hate about not being an organ donor? I know that it can help many people in need, but is it so
    14·1 answer
  • HELP THIS IS DUE TODAY I WILL MARK U AS THE BRAINLIEST ANSWER!!
    14·2 answers
  • What domain is eubacteria found in?
    9·1 answer
  • What provides evidence of an increase in animal species at the same time that atmospheric oxygen concentrations increased?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!