How does adding a competitor change the dynamics of the ecosystem? be specific based on your competitor.

As with any small island country, cuba has fewer natural resources than countries such as brazil. this affects their economy in that cuba a) exports only manufactured products. b) exports more products than it imports.. c) must import more products than it exports. d) has imposed trade barriers against the united states.

The valves of the heart and veins are similar in that they both

The piston ring isn't a completely solid ring; instead, it's usually split at one point. this split or gap in the ring is called the a. ring spacing. b. ring clearance. c. ring end gap. d. ring side clearance.