Here is some different pics of a water table. I hope this is what you are looking for :). You can click the pictures to in large them.
The answer is B.Let it sit
I'm pretty sure all 4 are subatomic particles but if i had to guess i'd be Photons
The correct answer is C. An example of measurement bias in scientific
measurement, of the available answers, would be a balance that always
reads 0.1g. The other possible answers are all examples of devices or
measurement techniques that would help a scientist to avoid measurement
bias, rather than contributing to it.
