It's a substandard indication for your tab, if you can't afford to reimburse it.
Answer:
An artifact
Explanation:
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The Chinese decided to enter the Korean War on November 25-26, 1950. This was an enormous shock to the American forces, as well as to the United Nations. The United States, and in particular U.S. Gen. Douglas MacArthur, believed that the Chinese would not openly enter the war. When China did provide support to North Korea, the effect was catastrophic on the American forces, leading to a great expansion of the conflict.
Differences between a physical and chemical change in matter or substances. A physical change in a substance doesn't change what the substance is. In a chemical change where there is a chemical reaction, a new substance is formed and energy is either given off or absorbed.
