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?
Answer:
Thermometer is the best tool.
Explanation:
The temperature measurements can be made with a Celsius mercury thermometer, it must have a scale marked at least every 0.1 ° C recorded in the capillary glass and a minimum thermal capacity to allow a rapid equilibrium.
The best is an electronic digital thermometers, because it provides reliable measurement of temperature in a wide range of temperatures