<span>During the early 1960s, NASA’s Mercury program sent Americans into space.</span>
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<span>Boston, New York, and Philadelphia all agreed not to import from Britain until the Stamp Act was repealed. A is the best choice. </span>
Answer:
If you don’t do something you can’t repeat it as you’ve never done it
Explanation:
Much of early Harappan history remains a mystery because the archaeological remains are below the existing water table.
<h3>What is meant by Harappan history?</h3>
This is what was as also referred to as the Indus civilization. This was the civilization that was built around the Indus valley. The civilization can be dated back to have occurred between the periods of about 2500–1700 bce.
The Southern sites of the civilization is said to have lasted for a longer period than this time period.
Hence we can say that Much of early Harappan history remains a mystery because the archaeological remains are below the existing water table.
Read more on history here: brainly.com/question/25670011
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