Random question?

Base your answer on the information below and on your knowledge of science. A baseball strikes the roof of a car and dents it. The paint on the roof begins to crack and chip, exposing the metal. The exposed metal on the roof rusts, eventually causing a small hole in the roof. Which event is a chemical change?

Random question?

Which event would most likely result in more food for organisms that are scavengers?

Random question?

Martin is writing a report for science class about how the tilt of Earth affects living organisms. Which subject should Martin include in his report that is directly affected by Earth's tilt?

Random question?
Which event would most likely cause a rapid extinction of organisms?