Which spill control and confinement method is used inside structures to remove and/or disperse harmful airborne particles, vapors, or gases?

A method that is commonly used in spill control and confinement of hazardous airborne particles is limit its dispersion. Through the procedure, the particles will not be released to its assigned container therefore contact with the people and the environment would be avoided as much as possible.

2. they have negligible mass.

The answer is b.the gaseous state is electrically positive, while the plasma state is electrically negative.