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
Index fossils help geologists to age rocks in which they form. When layers of rock have index fossils of two different eras, the index fossils are also useful in dating layers between which they form. Many index fossils are types of marine life.