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Both "estar" and "ser" mean "to be". However "estar" should be used when describing something temporary. For instance, when describing a location or explaining a...

Diamond has a giant structure of carbon atoms held together by strong covalent bonds:  - Diamond is made up of many strong covalent bonds, so a lot of energy is needed to overcome them, so diamond has a h...

First of all we need to rearrange the equations in a way which allows us to get rid of either the x or y variable.

To do this we need to have either the same number of x's or same number ...

Everyone learns in different ways, but some of the most common ways of learning new vocabulary are explained below. Try the techniques to work out which way works best for you, and you can adapt it as ...

AFTER 1 YEAR: interest = £730 x 0.025 = £18.25

Rotal money in my account = £730 + £18.25 = £748.25.

AFTER 2 YEARS: intere...