Glaciation may be related to the atmospheric gas _________. Fill in the blank(s) with the appropriate word(s)
CO2 or carbon dioxide
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Permafrost is an area of permanently frozen ground. This is a major concern with global warming because large quantities of greenhouse gases are released as this area of land warms
Indicate whether the statement is true or false
Trapped air in glaciers record atmospheric composition through time
Indicate whether this statement is true or false.
Many of the civil wars occurring in Subsaharan Africa are not reported worldwide by the __________, even though the numbers of people affected, injured, and killed are very high.
a. non-governmental organizations b. African heads of state c. All of these d. African Union e. news media
The precautionary principle is guided by the idea that we must make decisions that prevent a problem from occurring or worsening.
Answer the following statement true (T) or false (F)