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Moment = force x distance

Pirate:

 force = 65 x 9.81 =637.65

distance = 1.2

moment = 637.65 x 1.6 =1020.24 = 1020 Nm (3 sig fig)

Parrot:

force = 1.1x 9.81 = 10.79...

Sodium chloride has a giant ionic lattice structure with ionic bonding. There are electrostatic forces of attraction between the Na⁺ ions and the Cl^- ions.

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It helps to be formulaic when approaching a broad essay title such as those found in an A Level Spanish paper. For example, if faced with the AQA June 2016 question - ¿Se puede decir que la representación...

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