the earth
the atmosphere
water
ecosystems
100
boundary between the earths crust and the mantle
What is MOHO
100
78% of the atmosphere is composed of this compound
What is nitrogen
100
a water table that stands at or near the land surface creates these
What is wetlands
100
species that serve as an early warning system for environmental damage
What is indicator species
200
when a plats slide past each other
What is transform boundries
200
layer of the atmosphere that contains the ozone
What is the stratosphere
200
71% of earth is cover by this
What is oceans
300
point directly above the focus of an earthquake
What is epicenter
300
collection of ice crystals and water droplets
What is clouds
300
this occurs when prevailing winds produced through the coriolis effect
What is upwellings
400
95% of volcanoes occur at these zones
What is subduction zones
400
air heated at the equator that rises and spreads out north and south
What is Hadley cells
400
a country with a large per capita water use would be
What is the united states
500
the most common element found in crust
What is oxygen
500
easterly trade winds move water and air warmed by the sun to the west
What is el nino
500
the primary use for freshwater is
What is agriculture
M
e
n
u