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
daser333 [38]
3 years ago
14

An experiment in which only one variable is changed is a(an) __________ experiment.

Biology
2 answers:
ahrayia [7]3 years ago
7 0
D. <span>controlled 
is the right answer because a</span><span>n </span>experiment<span> in which an observer tests a hypothesis by looking for changes carried by alterations to a variable.</span>
Anni [7]3 years ago
5 0

Hi


The correct answer is : D

Because a control experiment is one in which a hypothesis is tested by the manipulation of a single variable.


I hope that's help:)

You might be interested in
.
ollegr [7]
I think the correct answer from the choices listed above is option A. <span>The type of soluble fiber found in oats, barley, lentils, split peas, and beans protects against heart disease. Hope this answers the question. Have a nice day.</span>
4 0
2 years ago
Read 2 more answers
If you eat a hamburger, you are mainly eating ground-up beef muscle. what levels of organization are represented in this ground-
Ghella [55]
The right answer is: <span>organelle, cell, and tissue

<span>Muscle is a soft tissue, found in animals. Composed of muscle tissue and connective tissue (+ blood vessels + nerves). The muscle cells (a component of the muscle tissue) contain actin and myosin protein filaments that slide on each other, producing a contraction that changes both the length and shape of the cell.
</span></span>The muscle cells, like other cells, consists of a plasma membrane containing a cytoplasm, which is formed of an aqueous solution (Cytosol) in which there are many biomolecules such as proteins and nucleic acids, organized or not in the context of organelles.<span>

</span>
5 0
3 years ago
Read 2 more answers
What organism uses carbon dioxide in the air?
ddd [48]
All photosynthetic organisms  <span />
6 0
3 years ago
Read 2 more answers
Which of the following statements correctly describe meiosis
Andreyy89
Well i don’t know what you could pick bc the statements aren’t here i don’t think you added them but here is the detention of meiosis // a type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell, as in the production of gametes and plant spores.

hope that helps
7 0
3 years ago
Read 2 more answers
Need help with this emt science class
nordsb [41]
Answer should be B I think
4 0
3 years ago
Other questions:
  • The energy that drives surface oceans currents come from
    9·2 answers
  • Fossils may be:
    15·1 answer
  • Cell walls are made of cellulose in ____________ cells.
    7·2 answers
  • Qué pasa si no se lleva a cabo la citocinesis después de la mitosis?!!!
    11·1 answer
  • Based on the chart, how are fish and dogs related? <br><br><br><br> Please help me :)
    9·1 answer
  • The sternocleidomastoid muscles help to flex the neck. What are their antagonists
    10·1 answer
  • Which phase of sex cell production results in homologous pairs of chromosomes forming? prophase I of meiosis anaphase II telopha
    6·2 answers
  • Laboratory experiments, observational field studies, and model-building are all examples of different forms of scientific invest
    11·2 answers
  • The
    7·2 answers
  • Can anyone help me!?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!