The amazon river basin is considered a good resource for producing what kind of products

The Amazon rivers basin covers some forty percent of the South American continent, which size is of the forty-eight contiguous United States. The Amazon River Basin is home to the largest rain forest on earth. The water of the Amazon made the land suitable for producing different kinds of agricultural products, such as rice, coffee, tea, bananas, nuts etc.

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option d is correct. corroborated sources of historical evidence   is necessary to validate a claim about an event in history.

historians tend to use written sources, but audio and visual materials as well as artifacts are important objects that supply information to modern historians.

historical sources are usually divided into two categories: primary and secondary sources. depending on the historian's intent, some sources shift their designation. determining what type of sources toimplement, and the level of credibility and reliability of those sources, is a significant step in critical thinking for the historian.

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