D. A place where some magma reaches Earth's surface.
Both Radioactive dating of rocks retrieved from the world and Comparing cratering rates on one world to those on another.
Geologists can find the relative age of impact craters on a world because
the ones on top must be younger.
Scientists know the history of Earth's magnetic field because the magnetic field gets frozen into rocks, and plate tectonics spreads them out.
Hope it helps
Answer:
C. The reader’s comment is not a credible source because nothing is known about the person who wrote the comment.
Explanation:
Alfred wegner is considered as the father of tectonic theory
Answer:
They are both basketball players
Explanation:
anthonys is from the lacker and so is lebron james
