Which of the Following Has Significantly Changed Since the Kyoto

question 8

Multiple Choice

Which of the following has significantly changed since the Kyoto Protocol to make climate change reduction efforts more complicated?

• A)China and India have increased their carbon emissions significantly.
• B)The cost of renewable energy has significantly increased.
• C)The cost of renewable energy has significantly decreased.
• D)Public attention to climate change has declined significantly.
• E)Politicians across the political spectrum are no longer interested in the issue.

---

Definitions:

Neurotransmitters

Neurotransmitters are chemical messengers that transmit signals across a chemical synapse, from one neuron to another target neuron, muscle cell, or gland cell.

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.