Final answer:
The best type of thermometer to use for taking a water temperature profile at different depths in a lake is a digital thermometer.
Step-by-step explanation:
To take a water temperature profile at different depths in a lake, the best type of thermometer to use is a Digital thermometer. Digital thermometers are generally more accurate and convenient to use compared to other types of thermometers. They provide quick and precise readings, which are essential for accurately measuring temperature variations in the lake at different depths.
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