Class Notes (839,236)
Canada (511,223)
York University (35,583)
Natural Science (2,813)
NATS 1780 (9)
Ian Lumb (9)
Lecture

Notes for 1st Reading Ahrens txt pages 3-7, 329-332,

3 Pages
305 Views

Department
Natural Science
Course Code
NATS 1780
Professor
Ian Lumb

This preview shows page 1. Sign up to view the full 3 pages of the document.
Description
Lecture 2 ReadingReading Pgs 37Overview of the Earths Atmosphere o Composition of the AtmosphereNitrogenOccupies about 78 of total volume of dry airOxygenOccupies about 21 of total volume of dry airIf all other gases were removed these percentages would hold constant until an elevation of approximately 80kmAt the surface there is a balance of output and inputDestruction and production of these two gases o Nitrogen removed from atmosphere by biological processes involving soil bacteriaTaken out by oceandwelling plankton o Returned from decaying plant and animal matter o Oxygen is removed from the atmosphere when organic matter decays and when it combines with other substancesProducing oxides o Oxygen is also
More Less
Unlock Document

Only page 1 are available for preview. Some parts have been intentionally blurred.

Unlock Document
You're Reading a Preview

Unlock to view full version

Unlock Document

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit