Physical Processes and World Regions Flashcards
what are the four spheres of earth
-Lithosphere
-Biosphere
Hydrosphere
atmosphere
What makes up the earths inner structure
inner core
-outer core
-mantle
upper mantle
crust
explain plate tectonics
theory that describes how the lithosphere is continually created and destroyed through the movement of the plates that form earths crust
what are the different types of plate boundaries
Converging
- subduction types
Diverging
Transform
describe Hot spots
anarea on earth over mantle plume or an area under the rockty outer layer of earth,
define biodiversity, its importance and teh human role in destroying and prtecting it
def: the number of plants and animal species present and the variety of genetic material that these organisms contain.
- human removal of rainforests and natural ecosystms deplete
- controversy of the green revolution
National parks and protected areas
outline the causes and patterns of the worlds precipitation
part of the hydro cycle
- 3 types of atmospheric cells
- hadley cells
mid latitude cells
polar cells
- rains where air rises, dry air where air descends.
Atmospheric compostition
nitrogen, oxygen argon and trace gases
what are green house gases
water vapour
carbin dioxide ,
methane
Nitrous oxide
what is the Green house gas effect
why is Global warming a concern , what is causing it
what is the hydrological cycle
outline and define the carbon cycle
the flow of carbon between the ground, water, life and atmosphere