Which of the following reactions involves the addition of two equivalent groups to the two ends of a double bond?
A) bromination
B) hydrogenation
C) both a and b
D) neither a nor b
C
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When plants die and become fossilized, the energy within them becomes trapped until it is mined and burned in the form of
A) coal. B) oil. C) wood. D) solar energy.
How would the increased melting of Arctic glaciers caused by global climate change affect thermohaline circulation?
A) The increased melting of Arctic glaciers would increase the flow of ions into the Arctic Ocean, increasing the salinity and density of the Arctic Ocean. B) The increased melting of Arctic glaciers would increase the flow of fresh water into the Arctic Ocean, resulting in decreased salinity and density of the Arctic Ocean. C) The increased melting of Arctic glaciers would increase runoff into the Arctic Ocean, raising sea levels and causing thermohaline circulation patterns to reverse direction and flow away from, rather than toward, the Arctic Ocean. D) The increased melting of Arctic glaciers would increase the flow of cold water into the Arctic Ocean, resulting in an increased density of the Arctic Ocean.
Please explain the three major factors contributing to tropical deforestation. In which regions do we find this problem especially pronounced?
What will be an ideal response?
Air pollution events are usually associated with low pressure systems
Indicate whether the statement is true or false