China instituted a "one child per couple" rule to help address overpopulation (Option D).
- China is a country that has an enormous population (around 1,4 billion people).
- The policy "one child per couple" was aimed at reducing the growth rate of China's population.
- This policy ("one child per couple") has been successful to reduce the rate of growth in the Chinese population.
In conclusion, China instituted a "one child per couple" rule to help address overpopulation (Option D).
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A. Regularly test the water in residents' homes
Explanation:
The best way to have kept the water quality in check would have been to constantly and regularly test the water in residents' homes.
Lead is used in making pipes due to its very unique properties and availability. Over time, lead can enter the water it is carrying in dissolved form.
Increasing amount of lead in the water will eventually become toxic when an anomalous concentration is reached.
The best way to monitor the trend is to simply check the water in residential homes from time to time for dissolved lead.
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Answer:
Fill in the blanks to make the following statements true. Also named the property used.
a. (-5) + (-4) = ___ + (-5),
b. 4 + __ = 4,
c. - 53 + ___ = - 53,
d. 4 + [(-5) + (7)] = [4 + (7)] + ___,
e. 25 + [(-50) + 5 ] = (25 + 5) + ___,
f. (-4) + ___ = -4,
g. 4 + (-4) = ___,
h. 5 + ___ = 0 ,
Explanation:
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