Seismic waves help scientists understand Earth's layers by:
- Scientists can observe how seismic waves change speeds when passing through different layers.
- Scientists can observe which seismic waves cannot pass through certain layers.
<h3>What are Seismic waves?</h3>
These are waves which are generated as a result of the movement of
materials in the earth. They change speed as a result of the collision with
materials in the earth and know the types of material present as a result of
some types not being able to pass through certain medium.
Read more about Seismic waves here brainly.com/question/8553835
Answer:
Aristotle first wrote about the practice of animal testing in ancient
Greece during the third century BC.
Explanation:
I think they are good and bad
I believe the correct answer would be B. Semipermeable means that it allows certain substances to pass through, and certain other ones to not pass through. So given all of your options, I would say that B makes the most sense. Hope this helped!
-TTL
