Which is a defining trait of a mineral? a. shiny b. made of carbon c. organic d. crystalline structure

In which situations is the principle of cross-cutting relationship useful in determining relative age?

A60-tooth gear is connected to a 72-tooth gear.if the smaller gear turns 12 times,how many turns does the larger gear make?

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm