The color can usually be done in an hour to one hour and a half, Ambrose said. Sometimes, if you're making a superdrastic change — like going brunette to blond — it can take even longer. It's important to allow time after to follow up with styling or a cut.

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The ocean beneath the arctic ice cap hosts many unique organisms adapted to the cold and shortage of light.

To round a decimal correct to one place of decimals (1 d.p.) you look at the second place of decimals.