1. St. Marks
2. The mountains in the west were taller than the mountains in the east.
3. The middle United States has fewer changes in elevation than the western United States.
Your answer is A: a date
BCE (Before Common Era) and BC (Before Christ) mean the same thing- previous to year 1 CE (Common Era). This is the same as the year AD 1 (Anno Domini); the latter means “in the year of the lord,” often translated as “in the year of our lord.”
