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Three metaphors are in the poem mother to son
Answer: the dependence of two or more people or things on each other.
Explanation: (Using context clues) we can see that it explains that he thinks we don't understand that we have to give to be able to take. This shows that we are depending on someone which could be one person or another nation.
Answer:
Few advancements in scientific knowledge were made. Scientists discovered new evidence to support their theories. Scientists discovered that old interpretations of data was incorrect. Scientists used observations and mathematical data to solve problems in new ways.
Explanation: