Unit 5 - Agriculture
Which type of irrigation is most efficient?
Furrow, Flood, Spray, or Drip?
Drip
list 3 fossil fuels
coal, oil, natural gas
What law gave the EPA the power to regulate on 6 criteria air pollutants, including lead?
the clean air act
What is it called when a body of water becomes enriched with nutrients, like those from fertilizers or animal waste?
eutrophication
stratosphere
Name 2 ways we harvest fish.
Aquaculture, wild caught (nets, lines, trawling, etc)
List 3 forms of renewable energy
solar, wind, geothermal, hydrogen, biomass
What pollutant is released from burning fossil fuels, and is a precursor to photochemical smog and acid rain.
nitrogen oxides
Thermal pollution from a power plant will have the greatest impact on the concentration of what chemical in a body of water?
Dissolved oxygen
What makes a species invasive?
being non-native & causing harm to other species or the economy
What is a cover crop?
A "crop", planted in between crops that will be harvested, in order to keep the soil in tact and nutrient rich.
what is the main fuel for nuclear reactors?
uranium (235)
name a radioactive indoor air pollutant
radon
What toxic chemical is found in high concentrations in soils the Housatonic River (thanks to GE)?
PCBs (Polychlorinated Biphenyls)
Name 1 reason that global warming causes sea levels to rise
thermal expansion or LAND ice melting
How could a genetically modified crop lead to more pesticide use?
If the modification makes the plant resistant to herbicide, more herbicide can be used to kill weeds that would compete with the crop
a technique used to increase extract oil/gas by injecting high-pressure water, sand, and chemicals into bedrock to open fissures. While cost-effective, risks include potential groundwater contamination, increased noise, and seismic activity
Hydrofracking, "fracking"
What pollution control device is located on cars that reduces the number of harmful pollutants in a car's exhaust.
catalytic converter
Name 4 illnesses talked about in this class (most recent notes-unit 8)
dysentery, malaria, mesothelioma, tuberculosis, west nile, SARS, MERS, Zika, cholera, plague
Which potent greenhouse gas do cows release?
methane
Describe how soil salinization occurs
Water naturally has small amounts of minerals, like salt, dissolved in it. Repeated watering leaves that salt in the soil as the water gets absorbed or evaporates.
Describe the steps to turn coal into electricity
burn the coal, use the heat to boil water into steam, use the steam to turn a turbine attached to a generator
Describe how ozone is formed in the troposphere
formed by chemical reactions between nitrogen oxides (NOx), volatile organic compounds (VOCs), and sunlight
Describe primary, secondary and tertiary wastewater treatment.
primary - physical removal of large solid
secondary - biological removal of organic solids
tertiary - chemical treatment - disinfection
The term for the amount of sunlight that is reflected from surfaces.
snow has the HIGHEST or LOWEST value?
Albedo
Snow has a HIGH albedo