Answer: The Gregorian calendar month, which is 1⁄12 of a tropical year, is about 30.44 days, while the cycle of lunar phases (the Moon's synodic period) repeats every 29.53 days on average. Therefore, the timing of the lunar phases shifts by an average of almost one day for each successive month.
Explanation: This is what GOOGLE says
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Answer:
The solution to this question can be defined as follows:
Explanation:
The complete question is defined in the attached file.

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Answer:
Sn₃(PO₄)₄ - tin(IV) phosphate.
Explanation:
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Answer:
Explanation:
C₂E₁₀H₁₂ = 144
molecular weight of given compound
= 2 x 12 + 10 x E + 12 x 1 = 144 ( atomic weight of C = 12 , H = 1 , E = E )
24 + 10 E + 12 = 144
10 E = 108
E = 10.8
Atomic mass of E = 10.8 u .
They use it because it's standerize and evidence vase