Answer: more than 30,000
Explanation:
The U.S. Coast guard has protected the U.S. coastline for centuries. They provide maritime law enforcement, aid navigation, protect the marine environment and most relevantly, embark on search and rescue missions.
The year 2013 saw them respond to more than 30,000 search and rescue missions which enabled them to save over 7,000 lives.
Answer:
Z, Y, X, W, V or habet if it's a trick question
The principle which allowed Marta to find her dog Roxy is known as an: d. absolute threshold.
<h3>What is an
absolute threshold?</h3>
An absolute threshold can be defined as the smallest (lowest) level of stimulus such as light, touch, sound, etc., that can be detected by a living organism, usually half the time.
In this scenario, a principle which allowed Marta to find her dog Roxy amid all of the other barking dogs is known as an absolute threshold.
Read more on absolute threshold here: brainly.com/question/15301528
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