Approximately How Many Major Tectonic Plates Make Up Earth's Surface

question 251

Multiple Choice

Approximately how many major tectonic plates make up Earth's surface?

• A) about a dozen
• B) two
• C) seven
• D) hundreds

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Definitions:

Cardiovascular Sounds

The sounds made by the heart and blood within the arteries and veins, often assessed for diagnosing heart conditions.

Trigeminal

Pertaining to the trigeminal nerve, the fifth cranial nerve responsible for sensation in the face and motor functions such as biting and chewing.

Cranial Nerve

One of the twelve nerves that originate in the brain and control sensory and motor functions of the head and neck.

Apical Pulse

The heartbeat as heard with a stethoscope placed on the chest wall at the apex of the heart.