A scientist who studies the tiny microorganisms of the environment . geologist
meteorologist
microbiologist
entomologist

Question:- A scientist who studies the tiny microorganisms of the environment

Explanation:-

Microbiologist means a person who studies micro sized living organisms

Microbiologist word is combination of two words Micro and biologist

microbiologist i think

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c)as speed changes, wavelength and frequency change.

everything changes!

that tool is called an altimeter which measures your altitude which can be used to tell which atmosphere you are currently in, including the stratosphere.

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