Answer:The Umayyad caliphate came into existence first since it was established in 661. The Umayyad dynasty enjoyed dominance and political power up to 750 CE. The Abbasid caliphate came into power later on after Umayyad. Abbasid was actually the direct party that took power from Umayyad dynasty.
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Unilateral Contract — a contract in which only one party makes an enforceable promise. Most insurance policies are unilateral contracts in that only the insurer makes a legally enforceable promise to pay covered claims.
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The preamble establish the goals and purposes of the us
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In a single-celled organism, the absorption directly involves the cell membrane. The cell membrane is responsible for keeping the shape of the cell and for deciding what goes inside the cell and what stays out. It lets the substances that help and sustain the cell in and keeps the substances that would harm the cell outside and thus it is directly involved in the absorption of nutrients.