China instituted a one child policy in 1979 because the government recognized that China's population was growing at an economically unsustainable rate, however this law was highly controversial.
Answer:
In economics, a market demand schedule is a tabulation of the quantity of a good that all consumers in a market will purchase at a given price. At any given price, the corresponding value on the demand schedule is the sum of all consumers’ quantities demanded at that price.
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Coral reef destruction is caused of course by climate change, responsible for our warmer oceans. Corals cannot survive if the water temperature is too high. Higher water temperatures is the main reason behind the death of nearly half of the Great Barrier Reef’s corals.
Urban and industrial waste and oil pollution from shipping are poisoning reefs too – some pollutants, such as sewage and runoff from farming increase the level of nitrogen in seawater, causing an overgrowth of algae, which smothers reefs by cutting off their sunlight.
So A, B and C are the correct answers
Generally speaking, a "mixed" economic system can be characterized by some government involvement and private ownership of most business, since some government regulation ensures the protection of the consumers.
