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The mutual electrostatic attraction between pairs of oppositely charged ions. Usually the metal atom loses electrons to become a positively charged cation where as the non metal atom gains electrons to b...
A well structured essay opens with the author's intention; in the first paragraph, you outline what the following essay is about. For example, when comparing two poems, the opening paragraph will mention ...
3+4+5=12,72/12=6,3x6=18, 4x6=24,Area=1/2 x 18 x 24=216
The 把 (bǎ) sentence structure is useful for constructing sentences where the focus is on the result of an actionIt's very common in Mandarin but can feel a bit strange for english speakers as the verb is ...
The heartbeat is started at a specialised area of the right atrium, known as the sinoatrial node (SAN); the SAN sends out the waves of depolarisation, resulting in contraction of the card...
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