Determining the order of events and the relative age of rocks by examining the position of rocks in a sequence is called .

Write a 150-word essay describing the effect of people's activities on the environment in the region.

If the distance between two points on the ground is 10 miles and the distance between the same two points on a map is 4 inches, what is the map scale expressed as a ratio?

The next best alternative given up when making a choice is called the a. opportunity cost b. comparative advantage c. primary objective d. negative consequence select the best answer from the choices provided. a b c d