Concept:Abiotic factors are non-living physical and chemical components of a habitat, such as temperature, wind, and humidity.
Explanation:A microscope is used to observe and magnify tiny objects like cells and microorganisms.
It does not measure any physical or chemical condition of the environment.
A wind vane measures wind direction.
A thermometer measures temperature.
A hygrometer measures humidity.
Therefore, the microscope is not used for measuring abiotic factors.
Answer:A. microscope