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'Ser' and 'estar' both mean "to be" but they have different meanings for different contexts. The most simple and general way to describe most uses is that 'ser' is used for jobs/occupations and ...

1 mark up to a total of 2 from: Doctors should not over prescribe antibiotics, e.g. for viral illness such as the common cold. Patients should ensure they complete their full antibiotic prescription, even...

Introduction: Pick one side - yes or no. Mention your arguments and make it extremely clear which one supports your argument the most.
Paragraph 1: Lenin as the figurehead of the Bolsheviks --> 19...

Proteins are made up of polypeptide chains. These are chains of amino acids which are joined together by peptide bonds as a result of a condensation reaction. This produces water as a waste product.The pr...

All population that reproduce sexually contain some degree of genetic variation, likewise, all environments will have different selection pressures. As a population reproduces, the individuals best suited...