High quality energy

Low quality energy

Units of energy

Estimate of how long a radioisotope must be stored until it has decayed to a safe level

Parts of hydrologic (water) cycle

Carbon-silicate cycle

Nitrification

Assimilation

Ammonification

Denitrification

Phosphorous

P cycles more slowly

P

Too much P in aquatic ecosystems

Major macronutrients
Micronutrients and trace elements

Plate tectonics

Volcanoes and earthquakes occur at...

Divergent plate boundaries

Convergent plate boundaries

Transform boundaries

Rock cycle

Rock types according to origin

Minerals

Ore

Mineral reserve

Surface mining

Soil texture

Humus

Leaching

Permeability

Porosity

Solution to soil problems

Troposphere

Stratosphere

Composition of Earth’s atmosphere

Weather

Global circulation patterns

ENSO

Greenhouse gases

Effects of global warming

Ozone depletion

Effects of ozone depletion

Stratospheric ozone layer

Biotic/abiotic

Producer/autotroph

Consumer/heterotroph

Major trophic levels

Energy flow in food webs

Energy flow in food webs

Mutualism

Parasitism

Commensalism