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
zalisa [80]
3 years ago
5

Which of these is an accurate statement about scientific variables? A. They can be connected to one another. B. They are the sam

e in every experiment. C. There can only be one variable in any experiment. D. There is no way to know what variables are most important.
Chemistry
2 answers:
chubhunter [2.5K]3 years ago
4 0

The awnser is A they can be connected  to one another

inna [77]3 years ago
3 0

The correct option is A.

In scientific investigation, variable refers to those parameters that are manipulated or changed in an experiment. Variables are those factors or conditions that can exist in different amounts in a scientific investigation. There are three major types of experimental variables, these are, independent, dependent and controlled variables. All the variables that are used in an experiment are usually connected to one another, scientific investigators typically look for the relationships among the variables in order to depict how they associate with one another.

You might be interested in
isotopes of an element will always have the same a. number of protons. b. number of neutrons. c. number of electrons. d. mass.
Nastasia [14]
Your answer is same number of protons
3 0
2 years ago
A pH -solution is more acidic than one with pH 6 by a factor of (a) 4000 (b) 2 (c) 10000 (d) 8000
jonny [76]
<em><u />the correct option is <u>c ) 10,000...</u>
an acid which is more acidic than 6 pH will be of pH 5 acid because if one acid is stronger than the other acid than its magnitude of strength is 1000... it is constant always...</em>
3 0
2 years ago
Read 2 more answers
Who was the first person to discover the existence of electrons​
k0ka [10]
Electron was discovered by J. J. Thomson in 1897 when he was studying the properties of cathode ray.
4 0
3 years ago
Read 2 more answers
Properties describe matter phsical or chemical<br>​
Wewaii [24]

Answer:

Properties describe physical matter.

Explanation:

6 0
3 years ago
Read 2 more answers
He table shows the percentages of hydrocarbons that are found in a sample of crude oil.
Flura [38]

Answer is: a mixture.

Crude oil is mixture (solution) consist of several different hydrocarbons (alkanes, alkenes...). This hydroalkanes can be separated from mixture (crude oil) using distilation (usually fractional distillation), because they have different boiling points.  

Proportion of hydrocarbons is diiferent in varios parts of the world.

Solution is homogeneous mixture composed of two or more substances.  

3 0
3 years ago
Read 2 more answers
Other questions:
  • What is FeCl3+NaOH=Fe(OH)3+NaCl
    10·1 answer
  • URGENT HELP NEEDED! What was the ratio of Fe2+ to KMnO4 solution? Why is this important in your calculations?
    9·1 answer
  • Whats the mass of a hydrate
    5·2 answers
  • 10. Predict the mass of nitrogen dioxide produced if 2.30 L of ammonia are allowed to react
    12·1 answer
  • A chemist measures the amount of chlorine gas produced during an experiment. She finds that of chlorine gas is produced. Calcula
    15·1 answer
  • For the balanced equation shown below, what would be the limiting reagent if 80.2 grams of N2 were reacted
    14·1 answer
  • A buffer solution is prepared by adding NaC2H202
    11·1 answer
  • 22 Which of the following statements is true for all loving organisms? A. All living organisms are made of one or more cells wit
    14·2 answers
  • PLZ HELP QUICK!!
    15·1 answer
  • Use the following reaction to answer the question:
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!