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
Dahasolnce [82]
3 years ago
12

What is a test variable? Give an example

Biology
1 answer:
babunello [35]3 years ago
4 0
If a scientist conducts an experiment to test the theory that a vitamin could extend a person's life-expectancy, then: The independent variable is the amount of vitamin that is given to the subjects within the experiment. This is controlled by the experimenting scientist.
You might be interested in
3. Why do you begin focusing on scanning power rather than high power?
Marina86 [1]

Answer:

as low as possible and using scanning objective (4x). ... then low power, you won't be able to focus anything under high power.

4 0
3 years ago
Which is larger? <br><br> Milliliter<br><br> Centiliter <br><br> Deciliter <br><br> Liter
Tems11 [23]
Milliliter is bigger than all of them
4 0
3 years ago
Read 2 more answers
List four major issues affecting today’s environment.
Snowcat [4.5K]

Answer:

Deforestation

Human Overpopulation

overfishing

Ozone depletion

Explanation:

6 0
2 years ago
3) With what other idea of his time was Cuvier's theory of catastrophism most in conflict?
barxatty [35]
<span>uniformitarianism, You should probably create notes or look up more informative sources.</span>
7 0
3 years ago
Pleeeaaaseee helppp meeeee ​
Lemur [1.5K]

Answer:

1. Fossils

2. Evolution

3. vestigial

4. analogous

5.Homologous

6.Embryology

6 0
2 years ago
Other questions:
  • My homework says chicken has more protein carrots, what dors that mean?
    7·2 answers
  • Describe how the thickness of the aorta compares to the other great vessels. proveive a reason for this differece.
    12·1 answer
  • 3. Explain the role of a hypothesis in a scientific investigation.
    5·1 answer
  • What type of waste can be used to produce energy when incinerated (burned)?
    13·2 answers
  • You are looking at the fossil remains of a primate discovered in Uganda and dating to approximately 20 million years ago. This f
    11·1 answer
  • Which word of the poem are an example of a simile
    6·2 answers
  • "Which of the following statements are true?
    15·2 answers
  • Which is a common type of map projection?
    5·2 answers
  • What is caused by a tight agonist muscle decreasing the neural drive to its functional antagonist
    14·1 answer
  • The nucleotide sequence of a DNA codon is TAG. In an mRNA molecule transcribed from this DNA, the codon has the sequence _______
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!