At the 2009 Copenhagen climate conference,
A) more than 180 nations signed non-binding GHG reduction pledges.
B) binding resolutions were signed by all attending nations.
C) timetables were agreed upon for GHG reductions.
D) most nations boycotted the meetings under pressure from fossil fuel companies.
A
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Hezbollah is active in which nation of the Middle East?
A) Turkey B) Saudi Arabia C) Lebanon D) Yemen E) Egypt
John Wesley Powell put forward the idea of base level, which refers to
A) the amount of discharge in a particular reach of a stream. B) a level below which a stream cannot erode its valley. C) an evolutionary cycle of landscape development from fluvial action. D) the average height of a stream channel.
Which of the following pairs of approaches to environmental ethics is logically consistent?
A. preservation and anthropocentrism B. sustainable development and biocentrism C. conservation and anthropocentrism D. development and ecocentrism
The principal reason that oil and water do not mix, even when shaken, is that oil molecules __________.
-have no latent heat -have a high heat capacity -are nonpolar whereas water molecules are polar -are organic -are smaller than water molecules