Random question?

Which energy source is considered nonrenewable?

Random question?

Which of these makes it possible for hurricanes to form?

Random question?

Students conducted an investigation with green bananas. They hypothesized that an onion placed near a banana could increase the rate at which the banana ripened. They placed one onion and one banana in each of three containers. In a fourth container they placed a banana, but no onion. Which statement best explains why the onion was left out of the fourth container?

Random question?
Which are the best tools to use for growing and studying bacterial cultures?