Which of the following is an example of potential energy?* A firework exploding.
O A race car gaining speed towards the finish line.
O A phone sitting on the desk.
O Boiling water.

Your friend offers to show you an intrusive igneous rock. which of the following would you expect to see?

For the following, determine the type of reaction and then give products.

Between 2014 and 2016, more than 25,000 children in flint, michigan, drank water that was contaminated with lead from lead pipes. during this time, the city claimed the water was safe to drink. which of these actions could the city have taken to ensure that the drinking water was free from lead?