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Nimfa-mama [501]
3 years ago
7

What is the purpose of controlling the environment when testing a hypothesis?

Biology
2 answers:
notsponge [240]3 years ago
7 0
It allows the scientist to determine the effect of the changed variable , it also allows samples and organisms to be tested under comfortable conditions
Lelu [443]3 years ago
7 0

Answer: The correct answer is: It allows the scientist to determine the effect of the changed variable.

Explanation: It ensures the reproduciblity of that experiment and hence, it increases the reliability of that experiment.

For example, if scientist is checking the effects of temperature on enzyme activity then other factors such as amount of enzyme, substrate, pH, pressure etc should be controlled as they can alter the results.

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Korolek [52]

Answer:

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7 0
3 years ago
Since the 1800’s an increase in selectively breeding dogs for human desired traits increased. How can selectively breeding dogs
alexgriva [62]

Answer:

It makes the dogs at a higher risk of health issues later on in life.

Explanation:

The dogs are usually only bred for looks. Their health is not taken into consideration.

8 0
3 years ago
Which two events occur when gravity causes a nebula to collapse into itself?
blsea [12.9K]

The two events that occur  when gravity causes a nebula to collapse into itself are:

A. Nuclear fusion start.

B. A new star forms.

Explanation:

  • Nebula are giant clouds of dust and gases.
  • These clouds are considered as progenitors of stars and planets.
  • The gravitational pull within these giant clouds result these large masses to collapse towards their centre.
  • The gravitational collapse results in tremendous rise in temperature till a point where nuclear fusion begin .
  • The stars are born out of such mechanism and act as a source of heat and light in universe.
3 0
3 years ago
The primary function of DNA polymerase is to:
Debora [2.8K]

Answer: Option A

The primary function of DNA polymerase is to add nucleotides to the growing daughter strands.

Explanation:

DNA polymerase is an enzyme that synthesis DNA and its main function is to make DNA from nucleotides which is the building block of DNA. It is essential for DNA replication and work in pairs by creating identical DNA strands from the original DNA molecule. DNA copies are created by pairing the nucleotides to each bases present in the DNA molecule.The bases are thymine, cytostine,guanine, and adenine, the pairing occur with any of the above combinations forming two pairs respectively.

3 0
3 years ago
In areas where the walls are frequently washed, conduit should be mounted with a ___ inch air space between the wall and the con
Over [174]

In areas where the walls are frequently washed, conduit should be mounted with a 1/4 inch air space between the wall and the conduit.

Conduits are the structures that are hollow and cylindrical like a pipe, channel or tube through which any material can pass. The material can be electrical wires, gases or even water. Therefore, the functions of conduits is to mediate the transport of materials from one place to another.

These conduits can be rigid or flexible depending upon their use and the material to be transported. Care should be taken when these conduits are embedded inside the wall that they are not very close and in contact with the wall otherwise the conduits may get damaged.

To know more about conduit, here

brainly.com/question/28239111

#SPJ4

7 0
1 year ago
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