Answer:
B
Explanation:
One of the most important characteristics of a market economy, also called a free enterprise economy, is the role of a limited government. Most economic decisions are made by buyers and sellers, not the government. A competitive market economy promotes the efficient use of its resources.
The final treatment of wastewater in the united states normally involves treatment with Chlorine to make it safe.
The final stage of the wastewater treatment process, which is when it is often carried out in most treatment plants, can also include chlorination. The primary goals of this chlorine addition are water disinfection and maintaining chlorine residuals that will stay in the water as it moves through the distribution system.
In the US, wastewater treatment facilities treat over 34 billion gallons of wastewater per day. Human waste, food waste, and some soaps and detergents all contribute nitrogen and phosphorus to wastewater. Once the water has been cleansed to the standards required and observed by state and federal authorities, it is often released into a nearby water body.
learn more about the treatment of wastewater here:
brainly.com/question/14375418
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I think it is B because the Columbian exchange was bringing what they already had in the old world to the New world and what the New world had that the old world didn’t they brought they brought to the old world if that makes sense.
true Great Britain is an example of a core nation
