Answer:
peer-reviewed journal.
Explanation:
When conducting scientific research, it is essential to pay attention to the source where the research will be carried out, so the most reliable option is to search in peer review journals, which are scientific journals reviewed by specialists on a given subject.
Therefore, this research source will be more reliable, since this article was reviewed by a council that guaranteed the necessary reliability for publication.
It is not advisable to use a wiki, internet or news flash for scientific research purposes, as these sources have not been reviewed and may have been written by anyone without scientific precedents.
Answer:
He used color and proportion
Explanation:
<span>Johannes Gensfleisch zur Laden zum Gutenberg was a German blacksmith, goldsmith, printer, and publisher who introduced printing to Europe. His introduction of mechanical movable type printing to Europe started the Printing Revolution and is widely regarded as the most important invention of the second millennium, the seminal event which ushered in the modern period of human history; but his the first most famously achieved is the printing press that Johannes Gensfleish zur Laden zum made in the workshop.</span>
