Answer:
If a mother is smoking and there are significant birth weights, a bar graph will be most effective. A bar graph can show how many children have similar weights, and you can tell which weights are most common.
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Exactly 80 liters of 20% are needed.
Let quantity of 20% alcohol solution be added : x liters
Here is the work:
> x*20% + 40 * 50% = (x+40) * 30%
> x*0.2 + 40*0.5 = (x+40)*0.3 ..(converting percentages into decimal)
> 0.2x + 20 = 0.3x + 12
> 20-12 = 0.3x - 0.2x (Rearranging similar terms)
> 8 = 0.1 x
Hence x = 8/0.1
Ans 80 Litres
This excerpt contains an historical allusion to the discrimination and bigotry faced by African Americans throughout history in the United States.
<h3>What is historical allusion?</h3>
Historical allusion is known to be a kind of reference point, that is usually found in a speech or any kind of writing.
Note that the excerpt is said to be made up of an historical allusion to the discrimination and bigotry faced by African Americans throughout history in the United States.
Learn more about historical allusion from
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The answer is Diaphragm its located underneath your lungs.
