Africa's Lack of Mountain Ranges Can Be Explained By

question 257

Multiple Choice

Africa's lack of mountain ranges can be explained by:

• A) the erosion process of African rivers wearing away the ancient mountain formations.
• B) the intense heat of the region, which prevents mountain ranges from forming.
• C) weather patterns that deposit silt in the Northern Hemisphere.
• D) a lack of collision of tectonic plates.

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Definitions:

Reuptake

The process by which neurotransmitters are taken back into the synaptic vesicles of a neuron after being released, stopping their action on neighboring neurons.

Dopamine

A neurotransmitter involved in many functions, including mood regulation, reward-motivated behavior, and control of movement.

Norepinephrine

A neurotransmitter and hormone involved in the body's fight or flight response, regulating heart rate, blood pressure, and blood sugar among other physiological functions.

Stimulant

A substance that increases physiological or nervous activity in the body, often enhancing alertness and energy.