What are the variables of boyle's law?

pressure and number of molecules of gas
volume and temperature
pressure and temperature
volume and number of molecules of gas
pressure and volume

How has the scientific community addressed the safety of chemicals? a. chemicals are repeatedly tested, even those that have existed for a long time. b. existing chemicals are tested if they have never been tested before. c. chemicals are tested if they are suspected to have caused a problem. d. only new chemicals are tested.

The is a particle with one unit of positive charge a. proton b. positron c. electron d. nucleus awnser quick it is a important science test!

Identify and describe the three ways that mutations affect organisms.