Which two observations were used as evidence for the idea of continental
drift?
A. Most volcanoes on Earth form at plate boundaries.
B. Different continents have fossils of the same animals and plants.
C. The shapes of coastlines of different continents appear to fit
together.
D. Earth has a very thin crust and a very thick mantle.
Answer: B and C Explanation: the fit of the continents; the distribution of ancient fossils, rocks, and mountain ranges; and the locations of ancient climatic zones.
