Chemistry Middle School

HELP PLEASEEE
How do we know what is inside the Earth? (How do we know the Earth has layers?)

(if you put a random answer for the points i will report)

Answers

Answer 1

Scientists know about the layers of the earth by sending sound waves through the earth. Because layers of different densities will allow sound waves to travel through them differently, we can study the sound waves to understand the layers of the earth.
Answer 2
Scientist use special technology to figure out what is inside of the Earth

Related Questions

Why do you think the Na+ ion is smaller than a neutral Na atom? Why do you think the Cl - ion is larger than a neutral Cl atom?

Answers

Answer:

Na+ ion is smaller than a neutral Na atom in the ion there was one more proton which will attract electron bring it closer to the center making the atomic radius smaller. Therefore making a Na+ ion is smaller than a neutral Na atom Explanation:

yes

Is there a relationship between cohesion and volume?

Answers

Cohesion is the attraction of water molecules to stick to each other, technically there would be a relation to cohesion and volume because the more the water droplets come together the more volume there is. But, volume is how much space a substance occupies so the actual definition of the two words is different.
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