Plate Tectonics
What geological feature forms when continental plates collide?
Mountains
Which horizon contains the most biological activity?
O-horizon/A-horizon
What cell operates between 0–30°?
Hadley Cell
Removal of shade due to clear-cutting leads to increased soil and water ___________?
Temperature
East, West.
What force drives plate motion in the mantle?
Convection currents
What is the measure of how easily water and air can pass through a soil's connected pore spaces called?
Soil permeability
What pressure zone exists at 60°?
Low pressure
Six state regions in the Northeast drain into a large watershed known as what?
Chesapeake Bay Watershed
What happens to trade winds during El Niño?
Weaken/Reverse
What type of plate/crust is more dense?
Oceanic
What is humus?
Decomposed organic matter from plants and animals.
What causes the Coriolis effect?
Earth's rotation
What causes eutrophication?
Excess nutrients in water (nitrogen and phosphorus)
What happens to upwelling in El Niño?
Decreases
What happens during subduction?
A denser plate is forced beneath a less dense plate and melts into magma.
What determines soil porosity?
Soil particle size
Which air, warm or cold, holds more water vapor? How do you know this?
Warm. The warm air is more dense.
What habitat slows floodwater?
Wetlands
What ENSO phase strengthens fisheries in Peru?
La Nina
What is type of energy is released when locked plates suddenly slip?
Seismic energy
What farming practice accelerates erosion?
Tilling
What circulation cell affects U.S. weather?
Ferrel cell
What human activity increases runoff?
Urbanization/Clearcutting
What ENSO phase boosts SE Asia rainfall?
La Nina