Answer:
Choosing the Right Tools
It sounds pretty straightforward, but deciding which tools and equipment can be one of the most challenging parts of designing an experiment. For example, if you want to measure the length of something, do you use a standard ruler, a meter stick or a measuring tape? Which units are you going to measure with? You have lots of choices - centimeters, inches, meters, etc. It all depends on what you're measuring and what you're going to do with those measurements afterward.
Explanation:
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