header bg

Download PASSEMALL Prep app now

Scan QR code or get instant email to install app

Question:

Average ozone concentration in Earth’s atmosphere as a whole is only about ____ parts per million:

A 0.3
explanation

Explore more questions
Take more free practice tests for other PASSEMALL topics with our hvac practice test now!

Comments

Leave a Reply

Your email address will not be published.

*

Related Questions

Ozone layer is present in which of the following layers of earth:

Stratosphere

Which of the following is an agricultural fumigant that has significant ozone depletion potential:

Methyl bromide

Halons used in fire extinguishers which contain ______ atoms:

Bromine

Complete phase out dead line of R-22 is by ______ :

2030

HFCs substances have zero ozone depletion potential and zero global warming potential:

False

HFC substances have significant global warming potential

Halons has ______ ozone depletion potential (ODP) compared to CFCs:

higher

UV radiation can cause which of the following more significantly:

Skin cancer