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
Geogolists know the age of certain fossils, which are known as 'index fossils'. When they find these index fossils in certain rock layers, they know the age of the rock layers. sedimentary rock cant be dated with radioactivity because it is a mixture of many different rocks. but there are certain layers that can be radioactively dated. fossils are used for the layers in between.