Answer:
A
Explanation:
more than 25,000 texns joined the army.
Answer:
Advancement of science and mathematics
Explanation:
Security and prosperity reigned during the early years of the Abbasid rule. Many fields of physics, arithmetic, and medicine have made significant progress. All through the kingdom, universities and institutions of higher learning were established. Arabic architecture and art rose to greater heights, allowing the civilization to prosper.
The law of conservation of energy is a law of science that states that energy cannot be created or destroyed, but only changed from one form into another or transferred from one object to another.
