Which of the following are molecules?

Abird sitting high in a tree is an example of what type of wnergy

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

Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?