Extra Flashcards
Who is Alfred Wegner and what did he do
the first who proposed the theory of plate tectonics
showed proof that the world was once a huge continent (Pangea)
Biofuel
any combustible plant or animal material (algae, vegetable oil, soybeans) . this type of energy has been used for millennia
D:
high water consumption
high energy output
increased greenhouse gas emissions when carbon sinks are burnt to make space
A:
helps small communities gain fossil fuel independence
decreased greenhouse gas emissions
profitable for farmers and small communities
Thermal Energy
creates energy from burning coal, oil, wood and garbage to create steam
D:
non-renewable resource
expensive fuel
creates greenhouse gases
A:
near market
low cost to build
Nuclear Energy
uses radioactive energy from uranium
D:
expensive to build and decommission
creates radioactive waste
A:
near markets
no air pollution
uranium is available in the market
Hydro-Electric Energy
uses energy from fast-flowing rivers
D:
expensive
far away from market leading to transportation issues
A:
operation cheap
doesn’t pollute
renewable resource
Ethanol
A type of biofuel produced from corn and wheat
Biodiesel
A type of biofuel produced from oils such as canola or vegetable
name at least 4 occupations that relates to geography.
- park ranger (a person who preserves and protects provincial/local parks)
- geologist (a person who studies in rocks, useful for mining companies)
- surveyor (a person who surveys land, useful for developing construction)
- geographer (uses maps and GPS to study the earth. useful for learning about our current world
- environmental manager (a person that creates policies for the environment. useful for limiting our impact on the environment in terms of companies)
- remote sensing specialist (a person who performs remote sensing. useful for studying our current world/predicting weather, etc…)
