Since different minerals form under different the minerals in a rock contain clues about the conditions in which the rock formed. a)environmental conditions
b)time periods
c)colors

Wind energy is plentiful in regions with vast open spaces it is a non polluting renewable resource what could be an economic factor that makes the use of this resource less feasible then non renewable resource even in such regions

If scientists are wrong about earth's age based on radioactive material and the decay rates are really much faster, how would nuclear power plants be affected?

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment