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
An acceptable time period for the activation and relocation phase of the continuity cycle is:
Alika [10]
<span>B. 0 - 12 hours.</span> There are four phases in the continuity implementation. Phase 1 is readiness and preparedness; Phase 2 activation and relocation, which acceptable time period is between 0-12 hours; Phase 3 - continuity operations, acceptable time period is between 12 hrs to 30 days and Phase 4 - reconstruction
3 0
3 years ago
3. What characteristic(s) are scientists trying to give chickens by cloning?
ira [324]
C . More meat and laying many eggs
6 0
3 years ago
Read 2 more answers
A recessive trait is expressed only in an individual who is
Ipatiy [6.2K]
The correct answer is B - homozygous
3 0
3 years ago
In a scientific study, a conclusion can ...
grandymaker [24]
Lead to more test and what you think about whatever your conclusion is about 
6 0
3 years ago
Read 2 more answers
Pleaseeee help!!!!!!!! I will mark you as brainlinest for correct answer!!!!!!!!!!
MaRussiya [10]
The answer you chose is right 
7 0
3 years ago
Other questions:
  • A cell of an organism has four chromosomes. It undergoes a process at the end of which two daughter cells are produced. Each dau
    5·1 answer
  • What is mRNA please help
    9·2 answers
  • Who is the scientist credited with organizing living things?
    8·1 answer
  • In the modern world, what is the path for the transfer of genetic material?
    8·1 answer
  • How did Darwin collect data while on the Beagle? A. He collected specimens. B. He observed plants and animals. C. He recorded de
    6·1 answer
  • An operon encodes enzymes for making an essential amino acid and is regulated like the trp operon. Which of the statements is tr
    13·1 answer
  • Two major dissolved gases in ocean water are
    8·2 answers
  • Which of the following hormones increases the heart rate in response to stress?
    6·1 answer
  • 1
    7·2 answers
  • (a) What is the normal temperature of a<br>human body​
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!