Which Fundamental Fact About the Electromagnetic Force Explains Why Electromagnetic

question 109

Multiple Choice

Which fundamental fact about the electromagnetic force explains why electromagnetic waves exist, rather than simply electromagnetic force?

• A) The electromagnetic force acts at a distance with a delay time, rather than instantaneously.
• B) The electromagnetic force decreases at points more distant from the source of that force.
• C) The electromagnetic force cannot be felt across vacuum.
• D) The electromagnetic force acts instantaneously at a distance, with no delay time.
• E) The electromagnetic force can be felt in all directions from the source of that force.

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Definitions:

Vertebrate Wings

Specialized limbs in vertebrates such as birds, bats, and pterosaurs adapted for the purpose of flight.

Bilaterians

Multicellular organisms with bilateral symmetry during embryonic development.

Bat Wing Development

The biological and evolutionary processes that lead to the formation of the wing structure in bats, enabling flight.

Tetrapod Limbs

The limbs of vertebrates that evolved from the fins of early fish and are characterized by having four limbs or leg-like appendages.