First, let's check whether all the statements are correct?
No, one statement is false:
B. China has recognized Taiwan's independence
In fact, China continues to treat Taiwan as its province. Since the statement is not true, it can't also be a reason for something: this is the correct answer.
<span />
Color and luster are two ways to identify an unknown metal. Other ways include weight and composition.
Answer:To reduce pollution, the government can use four main policies – tax to raise the price, subsidise alternatives, regulations to ban certain pollutants and pollution permits
Explanation:
The second one is A, amount of time
Answer: Mining is an activity which the earth is dig to obtain minerals and oil reservoirs.
Explanation:
The two environmental consequences that are responsible for filling the valleys are soil erosion and downstream mining causing the contamination of the neighboring water source. Soil erosion is resultant of the mining activity causing the trees to be uprooting from their site and making soil prone to the affect of physical factors like wind and water.