The article says the forest and savanna "could degenerate into chaotic mutual encroachment." What does encroachment mean? A. to become filled with roaches
B. to hide behind something else
C. to dig a trench around something
D. to advance beyond the usual limits

The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.

One gene can influence trait(s). one trait can be determined by gene(s).

Name the organs of humanelemintary canal.