What constitutes a âSolâ cycle in the film âThe Martianâ. While the book uses the term, it does not explain the definition or exact length. Real-life NASA, however, does. One sol = one solar day. Mars Solar Days and 24-hr Clock Convention
Q: Index fossils are used to determine the _____ of the rock. a. age c. color b. makeup d. none of the above A: Index fossils are used to determine the age of the rock. Get an answer
Best Answer: Index fossils are certain fossils that lived for a short period of time but covered a large area, so If you found an index fossil and knew the time period over which it lived that would be the same age of rock. Index fossils help correlate rock layers around the world.