CHEMISTRY MIDDLE SCHOOL

Which region of the electromagnetic spectrum is used by doctors to view the skeletal structure of the human anatomy?

Answers

Answer 1
Answer:

The correct answer would be:

X-RAYS
Answer 2
Answer:

its x-rays i did the quiz

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For elements to maintain a neutral charge, which two particles must have equal numbers? (2 points) electrons and protons ions and electrons neutrons and ions protons and neutrons

Answers

Answer: Option (a) is the correct answer.

Explanation:

In order to maintain a neutral charge the number of protons must be equal to the number of electrons.

For example, in a neutral carbon atom the atomic number or number of protons is 6. Also, number of electrons present in carbon atom will be 6.

Thus, we can conclude that out of the given options for elements to maintain a neutral charge number of electrons and protons must be equal.

What is the layer of the sun from which energy escapes into space?

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The core is the layer of the sun from which energy escapes into space.

Please help I'm soo confused, it's okay if one or two questions are incorrect.. I just need it finished. thank you so much

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10. The first one is red, on the spectrum longest to shortest is red, orange, yellow, green, blue and violet 

11. Judging by the diagram I believe its radar, I'm not sure though.

12. Gamma Rays

13. Ultraviolet 

14. Decreases

15. Sound waves

That's all I can answer for now since I have to go but I hope this helped.

What is a sentence for weathering

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These rocks were either roasted or exposed to severe weathering 
Due to the weathering of the rock, the childrens' playground started turning into soil.Due to the weathering of the rock, the childrens' playground started turning into soil.

particles that have enough energy to break free from each other and move around freely and spread out from each other is a gas or liquid?

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Gas particles are able to break free and move around freely.

Have people considered that aliens could possibly live without oxygen and water and we are looking in the wrong direction for a new life form?This is astronomy, not chemistry. Sorry, they do not have the option of astronomy.

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I have never heard anyone ever say anything about aliens only living by using the same metabolistic processes as humans... But.. there may likely be another planet out there that does use oxygen, although at a different percentage from Earths. Anyways, even if we do find "other" life forms, who's to say that they're on the same level as us? Have you ever considered the fact that ants to us are like we are to other life forms out there and maybe they don't want or can't communicate with us because they see themselves as superior?

Hope that helps!
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