Basically, 2 grams of element X are needed to combine with 4 grams of element Y is order to produce the desired compound.
This means that the ratio between X and Y is 1:2.
Based on this, the amount of Y needed to combine with 42 grams of X is as follows:
amount of Y = 42 x (2/1) = 84 grams
Answer:
The arrival of the Europeans in the Americas changed the culture, economy and population of the continent permanently.
Explanation:
The implications of the European arrival in the Americas are possibly endless, but several of the areas which changed the most were:
- Commerce: There was a complex exchange of goods of all kinds established between the Old and New Worlds.
- Population: European diseases took a huge toll on indigenous populations and European migration and the slave trade from Africa changed the demographics of the Americas.
- The political systems of the now independent American countries from Canada to Chile reflect a European political foundation for better or for worse.
- The rich cultures of the Americas were forged from a combination of cultures from three continents.
<span>The old faithful geyser found in Yellowstone park is an example of a hot spring.
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<u>Gulf Stream</u>
-Moves along the east coast of the United States
-Occurs when trade winds decrease in strength
<u>El Nino</u>
-Changes course every four to five years
-Causes Europe to be warmer than it would be otherwise