Answer:
Sonar
Sound waves used for measuring the distance of an object are called Sonar.
Explanation:
Working memory is the part of short-term memory that is concerned with immediate conscious perceptual and linguistic processing.
( I got the answer by typing "What is working memory" on Google. You can look it up yourself to understand better")
Answer:
A food chain shows you how one organism eats another and transfers its energy.
Explanation:
For example, a zebra eats grass, and the zebra is eaten by the lion.
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Your answer is B (You're correct)
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