The Picture Below Is a View of Earth from the North

question 70

Multiple Choice

The picture below is a view of earth from the North Pole above. and one from the South Pole below.. It shows ice sheets covering Greenland and Antarctica. Why are ice sheets primarily found in these regions?

• A) These are places that have not yet been developed. In other locations, the ice has been cleared.
• B) They are the coldest regions of the globe.
• C) When the ice age ended, the ice did not melt back so much as migrated to these locations on ocean currents.
• D) They have numerous mountains, and the alpine glaciers coalesce.

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Definitions:

Neuronal Membrane

The lipid bilayer that surrounds a neuron, maintaining the ionic environment essential for neurotransmission.

Distant Dendrite's Tree

The elaborate branching structure at the end of a neuron's axon, allowing for connections with other neurons.

Axon Hillock

The cone-shaped area of a neuron where the axon originates and action potentials begin.

EPSPs

Excitatory PostSynaptic Potentials (EPSPs) are changes in membrane potential that increase the likelihood of generating a postsynaptic action potential.