Layers of the atmosphere
Heat 4e chap12_lecture
WEATHER
18.1 Made up of mainly two gases: – Nitrogen 78% – Oxygen 21% – Trace Gases 1%
Unit 2: The Earth System Atmosphere, Hydrosphere & Geosphere.
Paleozoic Era 570,000,000 years ago to 225,000,000 years ago Life starts in the seas and moves onto land Six periods: Cambrian Ordovician Silurian Devonian.
The History of Earth & Life
How to study: Review your Notes (read them over carefully) Read over sections in the textbook or review book you are not clear about Practice sample questions:
WEATHER Meteorology - Study of weather. I. Basic Principles A. Earth in space 1. earth – spins on own axis & completes one rotation every 24 hrs. (causing.
Atmospheric Hazards Thunderstorms, Tornadoes, High Winds, and Fog Session 7.
PHOTOSYNTHESIS C HAPTER 7 Where It Starts - Photosynthesis.
ASTRONOMY 161 Introduction to Solar System Astronomy Class 16.
