It is believed that the majority of the petroglyphs were carved from about 1300 through the late 1680s.
Answer:
Red-green color blindness can be broken down into two main types: Protan-type (“pro-tan”), which is a disorder of the first “prot-” type of retinal cones also called the L-cones, and Deutan-type (“do-tan”) which is a disorder of the second type of retinal cone also called the M-cones.
Answer:
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Explanation:
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