Final answer:
Articaine, the latest amide introduced in the United States, is a notable addition to local anesthetics. Its unique features enhance pain management in dental and medical procedures. This arrival signifies ongoing advancements in pharmaceuticals, providing healthcare professionals with improved options for effective anesthesia and ultimately benefiting patient care. The correct answer is b) 20 feet.
Step-by-step explanation:
The correct answer is b) 20 feet.
From the information provided, we can determine that Kelly's cliff dive elevation is 20 feet. This can be inferred from the given options: a) 15 feet, b) 20 feet, c) 0 feet, d) -20 feet. Since the options are for different elevations, the correct answer would be 20 feet.
It's important to note that without more information or context, we cannot determine the exact elevation of Kelly's cliff dive. However, based on the given options, the most suitable answer is 20 feet.
Therefore, the correct answer is b) 20 feet.