Answer:
A good example of scientific theory repeated many times is the “theory of relativity” proposed by Albert Einstein in 1915 which was tested and repeated in 1919 at the time of solar eclipse which was later repeated again by many scientists.Explanation:
It's a good fact. Hope this helps
Answer:
B
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Answer: The excretory system.
Explanation: The excretory system's function is to filter out cellular wastes, toxins and excess water or nutrients from the circulatory system.
Answer:
C
Explanation:
Darwinian fitness means the ability to survive, find a mate and produce offspring
