Top answers

Describe how a metal conducts electricity

In order for something to conduct electricity, there must be charged particles within the substance and these charged particles must be free to move.Metals consist of positive ions in a sea of delocalised el...
AC
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‘German occupation in the Second World War was, in general, far harsher in eastern Europe than in western Europe’. How far do you agree with this view?

Required features to includeA clear viewpointRelevant and detailed evidenceExplores both sides of the debateContextual knowledgeMust include:Reference to ‘lebensraum’ and racial inferiority CasualtiesCultura...
AM
Answered by Alice M. • History tutor
4373 Views

Describe the mechanisms of breathing which causes inspiration at rest

Would be a 3 or 4 mark question and therefore would need 3 or 4 of these points in the answer to get full marks; external intercostal muscles and diaphragm contract (diaphragm flattens)resulting in the ripca...
HR
2421 Views

How do you complete the square?

Completing the square is taking an equation in the form a 1 x 2 +b 1 x+c 1 and butting it into the form a 2 (x+b 2 ) 2 +c 2 Let's try an example:x 2 +4x+5First step is to make sure the coefficient of x 2 is ...
AB
Answered by Annabelle B. • Maths tutor
3218 Views

What is the structure of cellulose (polysaccharide)?

the simplest molecule present is beta glucose. These are bonded to each other via glycosidic bonds through a condensation reaction. Each molecule has been rotated 180 degrees compared to the previous one. th...
DC
Answered by Dhiren C. • Biology tutor
14115 Views