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Description: Resource 6A shows a 500km chain of Hawaiian islands in the North Pacific, from the North-west (22oN 160oW) where the islands Niihau and Kauai are located, comprising of rock aged 5.2 and 4.7 ...

Begin by expansion (√a x √b = √ab): √3 x √30 = √90 and √3 x √8 = √24. Therfore we have: √90 + √24. Simplify roots (√a^2√b). The question tells us we need x√10 so therefore √90 = √9√10 (9x10 = 90) and we n...

8x + y - 6y - 5x= 8x - 5x + y - 6y= 3x - 5y

Normalement, je fais mes devoirs tous les jours après mon dîner, et quelquefois je fais mes devoirs avec ma sœur sur le week-end.

When sodium reacts with chlorine, the sodium atom transfers 1 electron to the chlorine atom, in order to achieve a stable electron configuration resembling a noble gas. The sodium (Na) atom becomes a sodi...