A helium balloon has a volume of 5.0 L at a pressure of 101.3 kPa. The balloon is released and reaches a high altitude at a pressure of 50.7 kPa. What is the new volume of the balloon?​

Which of the following happens during cell division? (a) energy is created (b) waste is eliminated (c) carbon dioxide is released (d) damaged cells are replaced

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable