Chemistry, 01.10.2019 14:30 achoward08
why is preserving biodiversity in the galápagos islands an important worldwide concern ?
the tourist trade on the islands will decrease without biodiversity.
the world's fish markets depend mainly on fish from these islands.
many species unique to the islands may become extinct.
the galápagos islands contain more different species than any comparable place on the earth.
what do the endangered species act and the convention on biological diversity have in common?
they are u. s. laws.
they prohibit logging and other controversial activities.
their aim is to prevent extinctions.
the european union and 192 nations signed them.
what is a greenhouse gas?
a gas that people can breathe safely
a gas that absorbs and re-releases heat radiated by the earth
a gas that is created by artificial means
a gas that is used in growing tropical plants to increase biodiversity
lowering sulfur dioxide emissions would have the greatest impact upon which of the following environmental phenomena?
ozone hole
tropospheric ozone
acid rain
global climate change
which of the following is beneficial to human health and the environment? tropospheric ozone
acid rain
sulfur dioxide
stratospheric ozone
which of the following contributes to global warming?
ozone hole
greenhouse gases
cid rain
tropospheric ozone
an incident in donora, pennsylvania, led to which of the following actions? banning the use of cfcs
enacting air pollution laws
banning the burning of coal
conducting cost-benefit analyses
which of the following is not a greenhouse gas?
carbon dioxide
water vapor
methane
sulfur dioxide
what is the most common method of solid waste disposal in the united states? composting
waste-to-energy combustion
recycling
landfill
which device is used to reduce gaseous emissions from a mobile source? scrubber
catalytic converter
filter
column of liquid
Answers: 2
Chemistry, 22.06.2019 10:30
Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88
Answers: 1
Chemistry, 22.06.2019 16:10
Amixture initially contains a, b, and c in the following concentrations: [a] = 0.300 m , [b] = 1.05 m , and [c] = 0.550 m . the following reaction occurs and equilibrium is established: a+2b⇌c at equilibrium, [a] = 0.140 m and [c] = 0.710 m . calculate the value of the equilibrium constant, kc.
Answers: 1
Chemistry, 22.06.2019 23:30
The ammonia molecule in the diagram has the observed bond orientation because
Answers: 1
Chemistry, 22.06.2019 23:40
The kw for water at 0 °c is 0.12× 10–14 m2. calculate the ph of a neutral aqueous solution at 0 °c.
Answers: 2
why is preserving biodiversity in the galápagos islands an important worldwide concern ?
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