What are the 4 major layers of the earth and the predominant elements in each layer? - Answer>> Crust (oxygen), Mantle, Outer Core, Inner Core (iron);
What are the three types of plate boundaries? - Answer>> Convergent, Divergent, Transform)
What are the two types of tectonic plates and what are they made up of? - Answer>> Oceanic (basalt) and Continental (granite)
What are the major horizons of Soil? What is found in each? - Answer>> OA(nutrients) B(accumulated metals; iron, aluminum) CR(bedrock)
How do clay, silt, and sand impact soil characteristics? - Answer>> Clay holds water, Sand
allows for quick percolation, silt is ideal for farming
What are two abiotic factors that erode soil? - Answer>> Soil is primarily eroded by water, second is wind. What are the three types of rocks? Which is most common on the surface of the earth? - Answer>> Igneous, metamorphic, Sedimentary (common on surface)
What are the two major types of weathering? Where on the planet do they occur? - Answer>> Physical and Chemical Weathering. Physical occurs commonly outside of the tropics, chemical within the tropics
What are the major gases of the atmosphere? - Answer>> Nitrogen (78%), Oxygen (21%), Argon (.93%), Carbon Dioxide (.035% or 350ppm)
What are the layers of the atmosphere from the surface up to space? - Answer>> Tropo, Strato, Meso, Thermo, Iso, Exo
Name 3 greenhouse gases - Answer>> Carbon Dioxide, Methane, Water Vapor
The bulk of the planet's freshwater is found where? -
Answer>> Frozen
What is an Aquifer? - Answer>> An underground layer of porous rock between impermeable rock filled with water