If you were a tutor and needed to summarize what natural selection was to your student, what would you say?

Horizon a is also sometimes called a. topsoil b. subsoil c. bedrock d. weathered bedrock

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

Russia is to the east of germany true or false