Which of the Following Is a Way for Astronomers to Learn

question 6

Multiple Choice

Which of the following is a way for astronomers to learn more about the interior of the Sun?

• A) study the corona during eclipses of the Sun
• B) study the oscillations (pulsations) of the Sun's surface
• C) follow the orbit of Mercury, the closest planet to the Sun
• D) take photographs of the Sun in the light absorbed by hydrogen atoms
• E) study the accounts in ancient legends of the realm where the devil is supposed to live

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Definitions:

Brachial Plexus

A network of nerves that originates from the spinal cord in the neck and supplies the arm, forearm, and hand.

Musculocutaneous Nerve

A nerve in the arm that innervates the biceps brachii muscle, playing a key role in bending the elbow and rotating the forearm.

Ansa Cervicalis

Ansa cervicalis is a loop of nerves in the neck that serves to innervate certain muscles responsible for movements of the larynx, pharynx, and other nearby structures.

Autonomic Reflexes

Reflex actions within the body that are involuntarily controlled by the autonomic nervous system, influencing functions such as heart rate and digestion.