High School

If a tube has been in storage or on the job site for a long time, it is probably darkened by ______ and collected dirt.

Answer :

Final answer:

A tube left in storage or on a job site can darken due to oxidation and the collection of dirt.

Explanation:

If a tube has been in storage or on a job site for a long time, it might darken due to oxidation and the accumulation of dirt. Oxidation is a chemical process where a substance loses electrons. In the case of metals, this can lead to darkening or rust. Additionally, dust and dirt, which are everywhere in our environment, can stick to the tube and contribute to its darkening.

Learn more about Oxidation here:

https://brainly.com/question/35881328

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