1. The permeability results might be localized due to excavation.
2. Lateral permeability not considered which may lead to erroneous estimate of field permeability.
this is important to be her formula is correct.
bias
The control is the variable that is held is held constant throughout all experiments, and duplications of them. By isolating control variables sources of error and or influence on a system can be managed and understood.
It can be, it depends on your experiment. Independent variables are the variables in an experiment that will not change. If you want to do an experiment that tests how something reacts with water, then starting with a clean controlled water sample for each test would be necessary and an independent variable. Conversely, if you were testing the cleanliness of multiple water sources, then the ideology of clean water would be your dependent variable, which would change upon each testing. WIth your given information I cannot say whether or not you would want water to be either a dependent or an independent variable for your experiment.
Treatment of data involves data collection, data organization, and testing. Sources of data must be reliable and dependable. The kind of treatment depends on the type of experiment one intends to perform and the end result.
a ball
The most common sources of systematic error in a titration experiment are errors in calibration. The concentrations of substances used could be incorrect.
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your balls touch the ramp
It could be anything with the potential to fall like you holding a stapler up has the potential to fall
Yes
the gravitational force
Dependent variable, according with my sources. :)
this is important to be her formula is correct.
taking the measurements
If the eluent is above the 1.5cm line in a chromatography experiment there will not be a proper distribution in a test tube to discover the sources of ink on a paper. A chromatography experiment tests for the sources of ink whether it be chemical or plant based.
Sources of errors in experiments to verify Ohms law can be as simple as temperature or pressure. These errors can also be caused by length and diameter of the conductor being used in the experiment.