If demand is high and supply is low, the merchant should wait until more of the item is available. If you have any questions please ask!
Answer:
The major source of pollution that leads to acid rain is factories.
Explanation:
The smokes which are thrown out from factory is mixed up with the rain and cause acid rain.Acid rain can cause various skin problems.
There must be an earthquake detector in place to detect any earthquakes off the shores in the oceans. This system can be a regional or local system, and although the system is fallible the margin of error is very small.
Sometimes though the earth quake/movement is too close to shore to detect it in time, and people get caught in it as a result.
There also needs to be a universal warning signal that actually tells people that the tsunami is coming.
I hope this helped.
Every law that connects them to the nation people.