The correct answer to this problem would be that like poles repel and unlike poles attract.
N and N poles repel
S and S poles repel
N and S poles attract
S and N poles attract
Answer: D) like poles repel each other. unlike poles attract each other
I hope this helps!
Answer:
When you in a airplane you are in high altitude and thats where air density drops. Thats where ear pops come from.
Explanation:
I think it is 7 in the first row and 6 in the second. I am very sorry if wrong :D
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Answer: Infrared light</h2>
A dark nebula is a cloud of dust and cold gas, which does not emit visible light and hides the stars it contains.
These types of nebulae are composed mainly of the hydrogen they obtain from nearby stars, which is their fuel.
It is using infrared light that we can "observe" and analyze in detail what happens in the inner parts of these nebulae.
