When Did the Extinction of the Dinosaurs Occur

question 19

Multiple Choice

When did the extinction of the dinosaurs occur?

• A)about 3.5 billion years ago
• B)about 2 billion years ago
• C)540 million years ago
• D)65 million years ago
• E)less than 1 million years ago

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Definitions:

Electrodes

Conductive elements used to establish an electrical connection with the nonmetallic part of a circuit, often found in medical and industrial applications.

Examining Table

A table designed for patients to lie or sit on during a medical examination or treatment procedure.

ECG Test

A diagnostic tool that records the electrical activity of the heart and is used to detect heart problems.

Fowler's Position

A semi-sitting position used in medical settings where the patient is typically on their back at a 45-60 degree incline to facilitate breathing or for other therapeutic reasons.