Until the early Proterozic there were only negligible amounts of free oxygen in the atmosphere
Answer:
could grow different spices that could not be grown in Europe
Explanation:
Answer:
The red sea.
Explanation:
The Red Sea is an important trade route between the Mediterranean and Indian Oceans, thus between Europe and Asia.
Rome was one of the richest and protected cities, and I can see there two correct options. I bet one than more is acceptable, so B.
Rome was built on seven hills, which offered natural protection from invaders. and D.
The climate of Rome was good for growing a variety of crops. are the truthful reasons why this city has a good site.
Ukraine touches both the black sea and Poland
