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serious [3.7K]
4 years ago
7

How many factors should a well-designed experiment test at one time

Biology
2 answers:
sammy [17]4 years ago
7 0

Answer:

The correct answer is - one factor.

Explanation:

A well-designed experiment is an experiment that permits researchers to remove or discard the extra variables as a description or explanation for the independent and dependent variable relation,

In a well-designed experiment, scientists test a single variable or factor at a time and should be clearly identified easily. There should be one controlled system in a well-designed experiment.

Thus, the correct answer is - one.

eimsori [14]4 years ago
3 0
You should only test one variable/factor in a science experiment.
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C

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Explanation:

The higher the temperature the higher the water vapor the air mass can hold. This is because the intermolecular spaces between the air molecules become larger with increased temperature hence can accommodate more water vapor molecules in between the air molecules. As the air mass cools the intermolecular spaces become shorter and the relative humidity of the air mass increases. At temperatures where the air mass can't accommodate its humidity, this is called the dew point, and the water vapor begins to condense into droplets (dew).

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2 years ago
What is a difference between systemic and pulmonary circulation
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<u>Answer</u>:

The difference between systemic and pulmonary circulation is the Systemic circulation carries the blood between to the heart and body and the pulmonary circulation carries blood  between the lungs and the heart.

<u>Explanation</u>:

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