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To start, the past tense of a verb, better known as the 'perfect' tense, describes an event or action taking place at a different time period compared to the imperfect tense. The perfect tense describes a...

When answering a question such as this it is important to break it down and gleam its true essence. First, the question requires the student to recall other factors which could challenge religion's domina...

The kidney is involved in osmoregulation (the control of blood water concentration): this is primarily controlled by the hormone ADH which is released from the pituitary gland in the brain when water conc...

First of all, you have to come up with an argument - this is the most important part of your essay! Remember to keep repeating your argument throughout the essay.It's really important that you keep refere...

Firstly, think of similarities between the processes. For example, neither process requires energy, so they are passive processes. This means that in both processes, molecules must move from a high concen...