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How do I know whether to use Ser or Estar?

Ser and Estar are a common problem for beginners and more advanced learners alike. They both mean "to be", but are used for different things. Ser is used to... ...describe innate, fixed or "un...
SB
Answered by Stephanie B. • Spanish tutor
2568 Views

Compare and contrast classical and modern social liberalism.

Liberalism is the 'essentially contested concept' or ideal which dominates western political discourse, both explicitly and inexplicitly (Gallie). Political theorists often make the distinction between 'clas...
CL
14328 Views

Suggest what happens in heart muscle cells when the coronary artery gets blocked.

'Coronary' refers to heart, and coronary arteries supply heart muscle cells with blood. Firstly consider why we need to transport blood around the body? Blood carries many essential nutrients and components ...
EL
Answered by Elizabeth L. • Biology tutor
20632 Views

What are the major health issues facing the UK at the moment?

This question may come up during medical interviews to assess how broadly and widely you have been reading beyond your curriculum at A-level. When applying to medical school, it is important to be aware of t...
EL
2550 Views

Express 3/2x+3 – 1/2x-3 + 6/4x^2-9 as a single fraction in its simplest form.

First it is necessary to notice that 4x^2-9 can be written as (2x-3)(2x+3). To solve this question, you first have to write all the fractions in terms of their lowest common denominator. In this case that is...
DS
Answered by Dhian S. • Maths tutor
13570 Views