Answer:
On a geologic map, if the contacts between sedimentary rock units form a bull’s-eye pattern of concentric circles, with the oldest unit in the center, the underlying structure is a syncline.
Answer:
Costa Rica, Cuba, The Dominican Republic, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, Panama, Puerto Rico, The United States has no official language, but since Spanish is widely spoken there, it is sometimes counted among the Spanish-speaking countries.
Explanation:
I think you know the answer, but it is 4.
The Union lost the Battle of Fredericksburg because Burnside was unable to adapt to changing circumstances.
Answer: Antarctica
Explanation: According to NOAA.com "What we call the ozone hole is a thinning of the protective ozone layer in the stratosphere (the upper layer of Earth's atmosphere) above Antarctica that begins every September. Chlorine and bromine derived from human-produced compounds are released from reactions on high-altitude polar clouds."