Answer:
The number of people living in a certain area.
Explanation:
Give ln that a Dot Density Map is a form of geographical representation that is used in representing the degree of density in the distribution of specific elements or human population in a particular area over a given period.
Hence, in this case, it can be concluded that a dot density map uses dots to show "the number of people living in a certain area."
God came up with it and all things
Gold rush was the biggest reason why people of Europe came to USA. Firstly, the conditions in Europe were bad in the XIX's century. So with the gold rush, the Europeans came to USA to try their self in it. So there is the first consequence: It was a goal that almost immigrants 'd like to find.
Then, the second one is that the migrants lost all their money. So the gold rush wasn't what they expected : Instead of making them rich, it made them poorest than they were.
Hope it helps
One can be gunpowder that was borrowed from China, which includes things like fireworks. Another can be numbers that were borrowed from Arabic and Hindu cultures, the basic system of 0-9. There were many more but these are quite common and have been around for a long time.
