12+-+AP+Exam+notes+by+section

Multiple Choice Strategy - There is no penalty for guessing! Skip the hard ones, come back later if you have time.

Each topic below represents 10 - 15% of the AP Exam, EXCEPT for pollution which has a greater %age. Outlines courtesy of a Canadian APES teacher, Ms. McAleer. Thanks,

Mnemonics

Soil Horizons OAEBCR - Only Ants Eat Bread Crumbs Causes of loss of biodiversity - HIPCO - Habitat Loss, Invasive species, pollution, climate change, overharvesting Ozone is good up high; bad nearby Layers of the atmosphere: The Military Sends Troops: Thermosphere, Mesophere, Stratosphere, Troposphere Granite makes of continental crust; Ba salt makes up ocean crust ( salt is in the ocean).

"Most Snakes Never Can Peel Very Little Oranges Carefully" for the major air pollutants Mercury, SO2, NOx, CO, PM10, VOCs, Lead, O3, CO2