Answer:
The answer is A, Both have a crest and a trough.
Explanation:
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The afterlife (also referred to as life after death, the world to come or reincarnation) is an existence in which the essential part of an individual's identity or their stream of consciousness continues to live after the death of their physical body.
Robert Hooke and Antoni Van Leeuwenhoek were credited for discovering the microorganisms.
