Answer:
Oceanic crust, the outermost layer of Earth’s lithosphere that is found under the oceans and formed at spreading centres on oceanic ridges, which occur at divergent plate boundaries.
Explanation:
From what we know, we can confirm that doing this may dirty and cause harm to your 40x lens.
<h3 /><h3>Why would this cause harm to your lens?</h3>
Oil immersion is a technique that can be quite handy when attempting to view hard-to-see specimens. However, This should be done only with lenses that are made specifically for this, so revolving the nosepiece in the wrong direction will expose the 40x lens to the oil, for which it is not designed, and may cause harm to the equipment.
Therefore, we can confirm that the 40x lens could get dirty with oil if you move the revolving nosepiece in the wrong direction after viewing it under oil immersion.
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Answer: The options are not given, here are the options from another website.
A. They will attract each other
b. They will repel each other
C. Nothing will happen to them
d. They will get heated up
The answer is they will attract each other
Explanation:
This is because the charge from the rubbing of ebonite and acetate to a wool is called triboeletric effect.
When ebonite is rubbed with a wool it will produce negative charge, the electrons around it will be negative but when acetate is rubbed with it, it will produce positive charge. This two will attract each other because unlike charges(negative and positive) attract each other.
Answer:
precipitate , chemical
Explanation:
a precipitate is is an insoluble solid that forms when two solutions are combined and react chemically. The two clear colorless liquids is a chemical change because a different solid substance is formed