Answer:
480 million years ago
The Appalachians first formed roughly 480 million years ago during the Ordovician Period, and once reached elevations similar to those of the Alps and the Rocky Mountains before they were eroded.
Explanation:
so b is your answer
Answer:
Contemporary maps are used as a tool of communication for geographic information and for offering geographic explanation.
Explanation:
Answer: Seward claimed that an “irrepressible conflict” was brewing over slavery and that the United States, as a result, must sooner or later become all slave or all free.
Explanation:
District courts, circuit courts, and the supreme court. District courts are the local trial courts. Circuit courts are the court you go to when you appeal. Finally the supreme court is the final level of appealing.
Aspects of a study conducted of cars in a certain country will be to determine the general traits of consumer buying and motorists. This could include: whether a car runs on diesel or electricity to gain information for a survey on pollution of motor vehicles; also, size of a car, the frequency of use, the purpose of use, how old a car is and how many passengers are generally seated in the car. All of these factors can be used to glean invaluable information for the automotive industry, as well as for scientific studies and governments.
