The Abbasids established the new position of vizier to delegate central authority, and delegated even greater authority to local emirs. The Abbasid dynasty ruled as caliphs from their capital in Baghdad, in modern Iraq, after taking over authority of the Muslim empire from the Umayyads in 750 CE.
Recycling, riding bikes instead of using cars all the time, and use reusable straws and water bottles.
Answer: Reduce car traffic
conserve energy
minimize trash
Explanation:
