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1) What is the difference between a measurement and an observation?
Question options:

Measurements are made with tools; observations are not.
Observations are biased, while measurements are always unbiased.
Measurements are compared to a standard; observations are not.
Observations are only indirect ways of gathering data.



2) Understanding how your heart works can BEST be done by which of the following?
Question options:

measuring your pulse
making a model that simulates the heart’s functions
observing how you respond to exercise
hypothesizing about how the heart works

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Answer:

1) Measurements are compared to a standard, while observations are not

2) Making a model that simulates the heart's functions

Explanation:

measurements follow a specific system or method, like cm or inches.

observations are just things noticed or comments about something

hope this helps you!! feel free to leave any questions in the comments :)

Answer:

1) Measurements are compared to a standard, while observations are not

2) Making a model that simulates the heart's functions Explanation:

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