junaid
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junaidLv1
21 Oct 2021
Answer: 3Step-by-step explanation:a9=59 a+8d =59.......(1) a13 =87 a+12d=87......
junaidLv1
21 Oct 2021
Answer: Since two terms are present separated by subtraction symbol.Hence it i...
junaidLv1
21 Oct 2021
Answer: Convection currents in the Earth occur in the mantle.Step-by-step expl...