<span>λ = v/f'
The wavelength would be equal to 6250000.</span>
True. How do you apply information from the book into the tests? Books don't give the answers merely provide a foundation you must build upon.
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.
Answer: Large scale farming and large mechanized equipment.
Explanation:
Check their blind spot and use blinker