(1) The study of seismic (earthquake) waves has provided most of what we know about the interior of the earth. (2) The seismic waves change direction and speed as they encounter different materials. (3) With this information, scientists have been able to subdivide the Earth into layers. (4) The composition of the Earth is also supported by data from the study of meteorites. (5) Meteorites are pieces of asteroids that have broken off and enter Earth's atmosphere. (6) The meteorites have a similar composition to what is believed to be in the earth's interior. (7) It is also thought that the asteroids the meteorites broke off from were formed at the same time and in the same way as the planets in the solar system. Which sentences provide evidence for the internal structure of the earth? Question 11 options:
1 and 3
2 and 6
4 and 7
3 and 5