Why Does Mars Have Seasons Similar to the Earth

question 3

Multiple Choice

Why does Mars have seasons similar to the Earth?

• A) Mars is roughly the same distance from the sun as Earth.
• B) Mars is the same size as the Earth.
• C) The shape of Mars's orbit is the same as the Earth's.
• D) Mars's rotational axis is tilted relative to its orbit like the Earth's.

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Definitions:

Neurotransmitter

Chemical messengers that transmit signals across a chemical synapse, from one neuron (nerve cell) to another target neuron, muscle cell, or gland cell.

Acetylcholine

A neurotransmitter involved in many functions including muscle stimulation, heart rate, memory, and learning.

Dopamine

A neurotransmitter involved in many functions, including motivation, reward, attention, and regulating movement.

GABA

Gamma-Aminobutyric Acid, an inhibitory neurotransmitter in the brain that reduces neuronal excitability.