Which of the Following Puzzles in the Solar System Cannot

question 68

Multiple Choice

Which of the following puzzles in the solar system cannot be explained by a giant impact event?

• A)the formation of the Moon
• B)the large metallic core of Mercury
• C)the backward rotation of Venus
• D)the extreme axis tilt of Uranus
• E)the orbit of Triton in the opposite direction to Neptune's rotation

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Definitions:

End Plate

On a muscle, the receptor–ion complex that is activated by the release of the neurotransmitter acetylcholine from the terminal of a motor neuron.

Muscle Membrane

The semipermeable membrane surrounding muscle cells or fibers, essential for muscle contraction and signaling.

Dendrite Membrane

The outer cover of dendrites, which are the branch-like extensions of neurons that receive signals from other neurons.

Axon Hillock

The part of a neuron where the axon joins the cell body, often considered the site of action potential initiation.