7 points The respiratory system is made up of the airways, lungs, and respiratory
muscles. The lungs are classified as -
a cell.
an organism.
an organ.
an organ system.

1. list three scientific reasons cockroaches may fly.

If a gas has an initial pressure of 101kpa and a volume of 10l, then it expands to a volume of 20l, what is the new pressure?

Which of the following changes will decrease the total amount of gaseous solute able to be dissolved in a liter of liquid water? (2 points) decreasing temperature decreasing pressure decreasing surface area decreasing solute concentration