Idk ask yourself hahah nana Annan
Answer:
Cyanotype is a photographic printing process that produces a cyan-blue print. Engineers used the process well into the 20th century as a simple and low-cost process to produce copies of drawings, referred to as blueprints. The process uses two chemicals: ferric ammonium citrate and potassium ferricyanide.
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I would say A but I’m not really sure about it
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Answer:
Signatures
Explanation:
scholars believe that the “negative” handprints in prehistoric cave paintings were most likely signatures. some cave rock formations implied an image and the artist enhanced these images- What image do you see? Just as we see images in some cloud formations. What important discovery did four teenagers make at Lascaux?
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