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What is homeostasis?

Homeostasis is defined as the maintenance of a constant internal environment in the body.

An example of this would be the blood glucose level:

After a meal, a person's bloo...

Answered by Lauren S. • Biology tutor

4463 Views

How do I know how many roots a quadratic equation has?

Let ax² + bx + c = 0 be the equation in question where a,b,c are real numbers with a not equal to 0 (otherwise we would not have a quadratic).

If:

Answered by Amit G. • Maths tutor

9065 Views

What is the difference between descriptive and analytical writing? Which is better?

In order to break into the top bands in any GCSE literature essay, a student must write analytically, not descriptively. Rather than merely detailing what has happened in a story, one should strive to ...

Answered by Nicholas O. • English tutor

7427 Views

How do you differentiate (3x+cos(x))(2+4sin(3x))?

Here we have a product of two things, so we will be using the product rule of differentiation. This is: for y=u(x)v(x), where u(x) and v(x) are funtions of x, dy/dx = u'(x)v(x) + u(x)v'(x). So in this ...

Answered by Jaisal P. • Maths tutor

5206 Views

How can we analyse the differences between political ideologies?

Analysis is task that is often ambiguous to undertake. To help your A-level politics studies I shall show you, with a concrete example, how to go about analysing the differences in political ideologies...

Answered by Ciaran C. • Politics tutor

7888 Views