Scientists can use the color of minerals to tell them apart.
Idiochromatic minerals <em>(self-colored) </em>due to their composition. The color is constant and predictable.
Allochromatic minerals <em>(other colored) </em>due to trace impurities or defects in their structure. The color is variable and unpredictable.
Pseudochromatic minerals <em>(false colored)</em> due to effects produced by light. The color is variable but a unique property of the mineral.
Answer:
the chemical formula of copper tracksun nitrate cu(no3)2
Once answer could be that the land between the Tigris and Euphrates Rivers was very fertile. That place is referred to as the "Fertile Crescent" after all.
At first, the natives were glad to trade provisions to the colonists for metal tools, but by 1609 the English governor, John Smith, had begun to send raiding parties to demand food. This earned the colonists a bad reputation among the Native Americans and precipitated conflict.
Communication aspects of cultures have been correctly mapped with their cultural norms.
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<u>Explanation:</u></h3>
The United States is a “mixing bucket”. Mixing bucket of various diverse cultures, beliefs, and backgrounds. As such, several “norms” have evolved over the times. And we can see these norms being used by people from all different backgrounds.
For newcomers sensing the United States to study or work overseas, there are diverse cultural differences that might not seem familiar to you or which have a different meaning, depending on where you were raised. In computing, English is the most widely used communication and is favored by the majority of firms. While there are numerous other languages spoken, it is worth your time to complete ESL programs so you can understand and speak English.
