According to the context, the purpose of the double asterisks is to indicate additional information at the end of the document.
<h3>What is the purpose of the double asterisks?</h3>
It is mainly used to make indications or calls about a word within a text.
That is, it allows a text to be quoted in some document, in this way, it is usually placed in the margins or footer, giving the information corresponding to the case.
Therefore, we can conclude that according to the context, the purpose of the double asterisks is to indicate additional information at the end of the document.
Learn more about double asterisks here: brainly.com/question/16613683
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Answer: minerals are formed naturally by geological processes :)
Scientists are searching for planets that are similar to Earth because when resources are used up, we can resort to another planet. Whether it be to travel to live at a different planet or to collect resources from there, either option would be nice for a last resort.
Tobacco became very popular in Europe and proved to be a highly profitable cash crop.
