Top answers

Describe the changes that take place in the iris when moving into a dark room.

The iris controls the diameter of the pupil to accommodate for the level of light that needs to enter the eye. When an individual moves into a dark room, the pupil must dilate to allow more light to enter th...
PT
Answered by Pauline T. • Biology tutor
20327 Views

What is the most essential tip for scoring highly in an English Literature exam?

The most important thing for scoring highly in and English Lit essay is to constantly be contrasting and comparing your observations to other texts. This shows the examiner that not only do you know the cont...
ZW
5078 Views

What is the difference between the terms elastic and inelastic and how do they relate to demand?

Price Elasticity of demand relates to how responsive consumers are in response to a change in the price of any given good or service. You can calculate price elasticity through the formula: Price elasticity ...
ZW
Answered by Zak W. • Economics tutor
4245 Views

How can you increase the turning force on a spanner?

Use a longer spanner.The turning force can also be called the "moment".Remember that moment = force x distance (from pivot)Therefore increasing the distance between the pivot and the force on the s...
MO
Answered by Mayowa O. • Physics tutor
12624 Views

What rules should I look out for when manipulating expressions?

FactoriseFactorise FullyExpandSimplifyExpand and Simplify
MO
Answered by Mayowa O. • Maths tutor
3360 Views