Which type of plate boundary usually causes volcanic island arcs?
Convergent
15
Which type of plate boundary causes seafloor spreading?
Divergent
15
In which atmospheric layer does weather occur?
Troposphere
15
Which atmospheric layer contains the ozone layer?
Stratosphere
15
What causes the earth's seasons?
The tilt of earth's axis causes different amounts of solar radiation to hit the surface at different times of the year.
15
Give an example of soil degradation and what could cause it.
Loss of topsoil, compaction, nutrient depletion, water depletion...
15
What is the difference between weathering and erosion?
weathering is the breakdown of rocks into smaller pieces to form soil, and erosion is the transport of those fragments by wind or water
15
Which soil particle allows the most permeability in soil: sand, silt, or clay?
Sand
15
Name at least 3 things that are usually found in soil.
Sand, silt, clay, humus, rock pieces, nutrients, water, air, decomposers, living organisms, decomposing material...
15
What is a watershed?
a system defined by the area of land over which all water drains downhill through a series of streams and rivers to a common outlet (river, lake, bay or ocean).
15
How can groundwater get recharged?
Precipitation can infiltrate, surface water in lakes / rivers / etc can infiltrate, humans could pump water into aquifers
15
Name 2 conservation practices that could lessen the negative impacts of water runoff.
Install porous paving, install rain gardens or vegetation storm basins, agricultural practices that reduce erosion and runoff, use less fertilizers...
15
Name one piece of evidence that could suggest El Nino is occuring.
Increased SST in the Pacific Ocean, decreased upwelling, decreased phytoplankton, changes in weather patterns on the continents surrounding the Pacific Ocean
15
Where does El Nino occur?
Pacific Ocean
15
Name 2 things that affect the climate of a particular location.
