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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...

Answered by Pauline T. • Biology tutor

18762 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 c...

Answered by Zak W. • English Literature tutor

4393 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 elastici...

Answered by Zak W. • Economics tutor

3356 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 th...

Answered by Mayowa O. • Physics tutor

11479 Views