Unit 04- Impacts Of Coventional Agriculture Flashcards
Greenhouse gas emissions per kg of food are highest for:
a) Chicken
b) Rice
c) Lamb
d) Beef
e) Canned tuna
C) Lamb
This gas is NOT a greenhouse gas but it negatively affects air quality and is particularly associated with agriculture:
a) O3
b) CO2
c) CH4
d) NH3
e) N2O
D) NH3
More than half of the total emissions of this greenhouse gas come from the agricultural sector:
a) N2O
b) NH3
c) CH4
d) CO2
e) O3
A) N2O
Agricultural biodiversity is important because it can potentially provide farmers with a way to manage pests and diseases.
True
In the Universal Soil Loss Equation, C is related to..
Crop type
In the Universal Soil Loss Equation, K is related to…
Soil organic matter
Riparian buffer strips can lead to increased eutrophication problems.
False
The agricultural sector is the single largest contributor to total water USE in Canada.
False
The process(es) by which pesticides end up in the far north is related to:
a) Volatility of the pesticide
b) Selectivity of the pesticide
c) Mode of action of the pesticide
d) Persistence of the pesticide
e) Two of the above
E) Two of the above
Greenhouse gases absorb incoming short wave radiation from the sun
False
The earth would be _______________ without the presence of greenhouse gases in the atmosphere.
a) 15oC warmer
b) 33oC warmer
c) 15oC colder
d) 33oC colder
e) About the same temperature
D
Intraspecific biodiversity can help a crop withstand environmental pressures like drought or pests.
True
Which of the following animal products consumes the most water (on a per pound basis)?
a) Chicken
b) Sheep
c) Pork
d) Goat
e) Beef
E) Beef
This greenhouse gas is also responsible for destroying the ozone layer:
a) O3
b) CO2
c) N2O
d) CH4
e) CFCs
E
