1. School on weekends 2x a month
2. 16 hour work days
3. Students clean the school after each day instead of janitors
Answer:Geographic featured that acted as norther borders of the Roman Empire at its height were: Rhine River, Danube River, Carpathian Mountains, and the Black Sea.
<span>the most abundant type of rocks on earth are classified as - </span>a. igneous
Answer: A pluton. If the pluton is large, it is called a batholith or stock.
Explanation: