Register
John is conducting an experiment that involves melting ice cubes. Which of the following is most important for John to collect reliable data? A.The outcome needs to be controlled. B.An unbiased observer
200k views
24 votes
John is conducting an experiment that involves melting ice cubes. Which of the following is most important for John to collect reliable data?

A.The outcome needs to be controlled.

B.An unbiased observer must witness the experiment.

C.Technology needs to be used to determine the results.

D.Only one variable should be tested during the experiment.

User Equinox
by
3.3k points

1 Answer

11 votes

Answer:

I think A not sure took this test 5 yrs ago

Step-by-step explanation:

User CResults
by
4.4k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.7m questions

4.8m answers

Other Questions

How does the value of the electrostatic force vary with the value (how many) of the charges?
What is the application of physics ​
A car is moving 14.4 m/s when it hits the brakes. It slow from 78.8 m, which take 9.92s. It then accelerates at 1.83 m/s 2 for 4.50 s. What is the total displacement?
A charge Q is uniformly spread over one surface of a very large nonconducting square elastic sheet having sides of length d. At a point P that is 1.25 cm outside the sheet, the magnitude of the electric
ou are unloading a refrigerator from a delivery van. The ramp on the van is 5.0 m long, and its top end is 1.4 m above the ground. As the refrigerator moves down the ramp, you are on the down side of the
Link Copied!