Atmosphere layers
NOTES: Earth: Age--4.6 billion years by radioactive isotope dating. Atmosphere--80% Nitrogen, 20% Oxygen, trace of Carbon Dioxide. Pressure = 14.7 lbs/sq.
How deoes air mass affect climate? Alexia Dominguez #3.
Beyond Penguins and Polar Bears: Polar Patterns, Day, Night, Seasons
NOTES #3 PROPERTIES AND PHASES OF MATTER 1. WHAT IS MATTER? Matter is anything that : Has mass Has volume (takes up space) LIST 5 things that are MATTER.
The Sun
