The Primary Cause of Recent Global Warming Is Believed to Be

question 6

Multiple Choice

The primary cause of recent global warming is believed to be ________.

• A)chemical reactions in the atmosphere that are driven by solar heat
• B)the increased burning of fossil fuels
• C)increased levels of atmospheric pollution
• D)the depletion of the ozone layer

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Definitions:

Serotonin

A neurotransmitter in the brain involved in regulating mood, appetite, and sleep among other functions.

Acetylcholine

A neurotransmitter involved in many functions including muscle movement, heart rate, memory, and also acts as a neuromodulator in the central and peripheral nervous systems.

Dopamine

A neurotransmitter involved in many brain functions, including reward and motivation, motor control, and the regulation of mood.

Rebound Insomnia

A condition where difficulty sleeping reoccurs or worsens after discontinuing sleeping pills, leading to temporary sleep disturbances.