What will occur when the north pole of one bar magnet is moved near the north pole of another bar magnet? a.) the ends will attract one another. b.) the ends will repel each other. c.) one north pole will switch and become a south pole. d.) both poles will become south poles.

Number and variety of living organisms includes genetic, species, and ecological types

Migration is a. the movement of organisms from a native location to a foreign location b. the movement of organisms from a foreign location to a native location the movement of organisms from their water supply to their food supply d. the seasonal movement of organisms between locations c. select the best answer from above

Which of the follow describes a disadvantage secondary sources have compared to primary sources?