PLEASE HELP!! In the fall, bears forage for food to plump up for the winter hibernating months. Two bears live in the same habitat and compete for a cave in which to hibernate. This is an example of what type of competition?

a. interspecific
b. intraspecific
c. codominance

Part 1: a magnetic levitation or maglev train rides rails without touching them. explain how this works using your data. include the appropriate magnet drawing in your answer. part 2: two objects are near a bar magnet. one is about 1 cm away, while the other is 6 cm away. compare and contrast the magnetic force that affects each object. use your data to answer the question

What is the increase in density of a medium due to wave travel?

While carrying a heavy box up the stairs, you set the box on a step and rest. then you pick up the box and carry it to the top of the stairs. describe these actions in terms of balanced and unbalanced forces acting on the box.