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
Nimfa-mama [501]
4 years ago
6

Why do some investigations require a control

Biology
2 answers:
gulaghasi [49]4 years ago
8 0
The purpose of the control is to compare the results of the set-ups with varied independent variable.
s344n2d4d5 [400]4 years ago
6 0
<span>Control variables must be monitored and controlled during an experiment to make sure that they are kept equal, otherwise they could make your results false or unreliable. </span>
You might be interested in
A scientst wants to analyze signals from outer that ell her about the age of the universe. Her lab is equipped with advance sens
iren2701 [21]

The correct answer is "Radio Waves."

The sensors that will provide the best information would be Radio waves.

If the scientist wants to analyze signals from outer that tell her about the age of the universe, the best equipment to do so is Radio waves.

A scientist named Karl Jansky was the first to use radio waves. Today, radio waves help scientists and astronomers to find photons with lesser energy that many times come from the farthest places of the Universe. Current modern telescopes do not have the capacity to see these parts of the Universe and radio waves allow the scientific community to get observe these distant and cold places to do advanced research.

4 0
3 years ago
In which process is oxygen absorbed by an organism
Fynjy0 [20]

Answer:

the process of breathing (inhalation)

8 0
3 years ago
When planning care for a cardiac patient, the nurse knows that in response to an increased workload, cardiac myocardial cells wi
kipiarov [429]
<span>In response to an increased workload, cardiac myocardial cells will increase in size. Myocardial cells are the muscle cells within the heart. These cells naturally increase in size as the heart enlarges during development. The cells can also grow during extensive exercise, heart disease, or due to an injury to the heart muscle (such as a heart attack).</span>
6 0
3 years ago
You look under a microscope at an unknown organism and you observe 24 homologous pairs of chromosomes. What type of cell are
evablogger [386]

Answer:

Eukaryotic cell

Explanation:

In the given question, when the chromosomes were observed, the number of chromosomes was found to be 48 but are present in the homologous pairs that are 24 pairs are observed.

Since the chromosomes are observed as a homologous pair which is a characteristic feature of a eukaryotic cell. The prokaryotic cells just possess one chromosome which is circular in shape.

Since the observed cell possesses the chromosomes as homologous pairs, therefore the cell is a eukaryotic cell.

7 0
3 years ago
Air pollution comes from _____.
aivan3 [116]
 human industrialization
4 0
3 years ago
Read 2 more answers
Other questions:
  • Which of the following is the best definition of niche?
    10·2 answers
  • Sex cells are formed in the testes and ovaries—parts of the reproductive
    10·1 answer
  • Segmentation in the annelid worms has facilitated locomotion and specialization of different parts of these animals. Evaluate th
    13·1 answer
  • What factors dictate the choice of tests included in a combination medium?
    13·1 answer
  • What is true about a circular orbit?
    5·2 answers
  • The part of the leaf which is connected to the transport system of the leaf is the?
    7·1 answer
  • Why do angiosperms make up the majority of the plants species
    8·1 answer
  • Can someone help with the question below would mean alot
    14·1 answer
  • Write a lab report for this lesson’s lab.
    6·2 answers
  • Identify four consequences if the upward trend of worldwide temperatures continues?
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!