Choose the best answer for each situation.A scientist with the EPA examining water for contamination writes down that there was an iridescent sheen on the surface of the water. What type of data did the scientist record?
A scientist needs to know the temperature of the water every 5 m along 3 km of the river. What tool would the scientist use?
Choose the best answer for each situation.The EPA scientist measures the pH level in one area of a river to be lower than normal and writes that a pollutant must have been discharged from a factory just upstream. This is an example of .
The EPA scientist wants to look at the temperature data of one spot on the river every day for a month. What would be the best way to organize these data?
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