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One of them is a conditional structure with "если бы".

The general rule is: "Если бы" indicates that the action has not taken place and so the result differs from the one we exp...

Psychology is the scientific study of the human mind and its functions. Psychology is a broad discipline that covers a number of topics, such as memory, personality, child development, mental illness and ...

First, you look for the difference between every number in the sequence, ie. what do you add to the first number to equal the second number? If you find that the difference is the same for every number, t...

To answer this we must remember that the derivative at a point on a curve, in this case x^2, is simply the value of the gradient of the line that just touches that point on the line. We can start by appro...

Homeostasis is the maintenance of a constant internal environment in organisms despite external changes. Homeostasis ensures that cells within an environment are able to meet their needs and function appr...