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20 Cards in this Set

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  • Back
(T/F) One reason that Guam's sewage must be released into deeper water in the future is to prevent corals from receiving too much fertilizer (from sewage).
True
(T/F) Hazardous waste such as PCBs and pesticides can be burned in an incinerator if we decide to build one here on Guam.
False
(T/F) The "Tradegy of Commons" can only be prevented by allowing private ownership of the resource.
False
(T/F) Global warming has already increased the average world temperature by 1*F. (equal to 0.7*Centigrade) over the past 100 years.
True
(T/F) If living coliform bacteria are found in Guam's waters, then we have a high risk of getting serious diseases like cholera from eating reef fish.
False
(T/F) If salt is deteced in our water wells, then we are over-pumping from that well.
True
(T/F) Sustainable harvesting of animal populations can be done most successfully if we know the population growth curve for that animal speicies.
True
(T/F) Global warming is mainly caused by carbon dioxide released from active volcanoes.
False
(T/F) Construction of a sanitary landfill will prevent leachate from contaminating our rivers.
True
(T/F) Recycling will extend the period of time that we can use the new landfill before it is filled up.
True
(T/F) If we recycle most of our paper, we can help prevent tropical rainforests being cut down to replace them with tree plantations.
True
(T/F) All hazardous waste mainly act by directly poisoning us over a short time period.
False
(T/F) Groundwater is more easily cleaned of pollution in comparison with surface water.
False
(T/F) One reason that seaturtle harvesting must be limited is the high death rate of some turtle species in fishing nets.
True
(T/F) Marine preserves are designed to improve the number and size of fish that can be caught outside the preserve.
True
Main reasons that our aquifer here on Guam must be protected include:
a)it provides the majority of our water supply at the present time
b)it is already seriously contaminated by salt-water intrusion
c)it is a "sole-source" aquifer, so that it is our only underground pool of water
d)it can easily be replaced by building another reservoir like Fena Lake
a), c)
"Hazardous waste" is a legal term that includes:
a)chemicals that can cause cancer
b)radioactive wastes
c)E.coli bacteria
d)salt in our drinking water
a),b)
The "Tradegy of the Commons" was often prevented in traditional societies in Micronesia by:
a)chiefs setting harvesting limits for animals such as seaturtles
b)harvesting as much as possible of seasonal fishes like baby rabbitfish (manahak) to feed people througout the year
c)villages regulating how much fish or octopus could be taken from their reefs
d)targeting areas where fish like parrotfish reproduce to increase parrotfish harvests
a),c)
A sanitary landfill must have:
a)a leachate collection system to protect the water supply
b)a liner
c)a location over porous rock such as limestone
d)an incinerator to burn most of the trash
a),b)
Global warming can be reduced by:
a)planting more trees to absorb and store carbon dioxide
b)using alternative energy sources such as hydropower
c)changing from fossil fuels to nuclear power
d)giving government subsidies to companies that explore for oil
a),b),c)