Question

All of the following are types of data that scientists collected about the Hudson River,
pH level
temperature
oxygen level
amount of moonlight

Answer 1

$\huge\mathfrak\blue{Answer}$

researching the Hudson River ecosystem since 1986. Many changes ... And since they had already begun collecting data on the river, ... temperature, oxygen and pH levels

Answer 2

$\huge\mathrm\red{Answer :-}$

Science Partners ➡ Data :- Water chemistry is a controlling factor in the amount and types of fishes. The maximum amount of oxygen that water can hold - its saturation level - varies with temperatures .