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
Pachacha [2.7K]
3 years ago
13

In a scientific experiment how many independent variables should be tested at the same time? A. none B. one C. two D. three or m

ore
Biology
2 answers:
choli [55]3 years ago
7 0
B. One

because an independent variable is something you change. So in a scientific experiment you only change one thing. If you happen to change more than one thing then the test becomes unfair therefore you should repeat and make sure that only one thing is changed this time.
vfiekz [6]3 years ago
5 0
B. one
You should only test one so you know that your results were only affected by one independent variable.
You might be interested in
Which element does the thyroid need to function properly?
sveticcg [70]
Ok your thyroid gland also contains selenium

7 0
2 years ago
Rift valleys can form when fractures in the Earth's crust widen. The valley walls slowly move at a rate of only a few millimeter
Lilit [14]
My best answer would be C I hoped I helped sry if you get it wrong
4 0
3 years ago
Read 2 more answers
Which two substances are the products of photosynthesis?
Ulleksa [173]
D , hope this helps!
4 0
2 years ago
Read 2 more answers
dalton propuso que el atomo posee electrones localizados en orbitas que rodean el nucleo. Cada orbita presenta una cantidad de e
Scilla [17]
Es una experiencia guiada por pensamientos críticos
4 0
3 years ago
What component of the cell wall helps in growth and development, as well as keeping it strong to defend itself?
Ratling [72]

Answer: Option C.

Cellulose.

Explanation:

Cellulose is a polysaccharide which is made up of glucose and it is an important component in plant cell wall. It give strength and rigidity to the cell wall. Cellulose make the cell walls strong. This play a regulatory role in tissues growth and provide strength. The cellulose is only found in cell wall and it's protect the cell wall.

8 0
3 years ago
Other questions:
  • What are the threadlike proteins that attach to platelets in blood clotting?
    5·2 answers
  • Which is an ion found in a glass of water?<br> A. N+<br> В. ОНЫ<br> C. 0<br> D. H-
    14·1 answer
  • If a mutation in a gene allows a protein to function more efficiently, the resulting
    11·1 answer
  • PLZ HELP!! ASAP!! Somebody who has a Coursehero account and can actually see the answers, can you please look this up;
    9·1 answer
  • A cross between a chicken and a turkey called turkins are raised on some farms in Wyoming. A Turkin is an example of _____.
    13·2 answers
  • What chemicals are proteins?
    6·1 answer
  • All the genes of all the members of a particular population make up the population's?
    13·1 answer
  • 27. Which of the following plants belongs to fruit-bearing trees.
    9·1 answer
  • How is the sun’s energy passed along in an ecosystem?
    15·1 answer
  • If you place yeast, sugar and water in a sealed bag and in the sun , what two things will be produced
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!