The first evidence of coins in ancient egypt was made in the form of rings of gold, silver and copper, with specific weights, which were measured and certified. gold coins are found on the paintings from tombs as early as 1430 bc. documents recovered from the times of amenhotep ii show that the values of different items were expressed in terms of pieces of metal of gold, silver, and copper, and were of fixed weight and value. other weighted materials of gold and silver were recovered from the time of ramses iii." these coins and rings were evidence of

As you drive in to school, you hear a random radio-show caller arguing that sun exposure really has not been shown to cause skin cancer and that some research suggests that skin cancer is completely genetic and not related to sun exposure at all. at the time, you think that this is a silly argument and that the caller does not know what she is talking about. however, two months later, you are outside without wearing sunscreen, and you find yourself remembering that you had read something about how the sun actually does not cause skin cancer. this process is evidence that has influenced your attitude