Top answers

How do I ask a question in French?

There are three ways of turning a statement into a question in French. They are all equally good, but are perhaps used in slightly different situations, as I will explain. The first (and easiest) way is simp...
IK
Answered by Isabel K. • French tutor
4592 Views

What is Reverse Polish Notation?

Reverse Polish Notation (or RPN) is simply a different mathematical way of laying out equations, take for example the expression: 7+ 9 The layout is <First number> <Operator> <Second Number&gt...
NP
Answered by Nick P. • Computing tutor
5735 Views

How are blood glucose levels regulated in humans?

Blood glucose homeostasis involves maintaining the levels of blood glucose within a very narrow limit around a set point (90mg 100cm-3). This is done via hormonal regulation. On one hand, insulin which is a ...
CM
Answered by Christie M. • Biology tutor
5547 Views

How do I analyse a source for its origin, purpose, values and limitations on History Paper 1?

On History Paper 1, you'll be asked to analyse a number of sources for their "origin, purpose, values and limitations". When done correctly, these questions can be easy points as long as you accura...
BG
Answered by Bethany G. • History tutor
47087 Views

How can I write an introduction that captures the attention of an examiner immediately?

Creating a really gripping introduction for your essay is actually easier than you may think! Really, you only need three sentences arranged in a particular way and you'll be able to draw your reader in inst...
EL
Answered by Eilish L. • English tutor
6745 Views