Answer: A)
Explanation:
A space enclosed within two sets of double solid yellow lines is off-limits and exists as a buffer zone to keep cars apart.
Two sets of double lines that are yellow are indicating those cars who are on the road and they are changing tracks restricted so the answer A is correct and these lines can keep cars apart in a buffer zone.
Answer:d.Quantity demanded goes up when price falls because lower prices increase consumer purchasing power, and because some consumers of substitute goods switch.
Explanation:
Causality refers to the cause and the effect which means when a particular situation occurs it results to the effect that is observed, there exist a relationship between variables such that when one variable changes it causes the change on the other variable.
For example in this case when price falls it results to an increase in consumer purchasing power and that increases the demand.
So the cause of price falling increases the effect on purchasing product by the consumers.
Answer:
Marco introduced gunpowder to China.He encourage trade a long silk road.Open up China to the rest of the world
