Answer:
D.Radiography uses ionizing radiation, but sonography does not.
Explanation:
Radiography is the process of using x-rays or gamma rays to capture images showing internal parts of the human body for medical examinations.X-rays are commonly used in this process.x-rays are categorized as a cancer causing agent thus exposure to such rays could cause development of cancer.In sonography, high frequency sound waves are used. There is no exposure to any ionization radiation like in radiography.
A PUC test would be the most likely course of action for a chemist. It is the most effective method for figuring out how the components of gasoline impact the kinds of pollutants.
<h3>What is air pollution?</h3>
The vapors created by gasoline evaporation and the chemicals produced by gasoline combustion cause impurity in the air known as air pollution.
When gasoline is burned, it emits carbon dioxide, a greenhouse gas.
Hence, the chemist's most likely action would be to do a PUC test.
To learn more about the air pollution refer to:
brainly.com/question/16357973
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I believe the answer is C, and not D because B is incorrect. The water and wind erosion smoothen the rock creating a mushroom shape.