Top answers

Applying material from Item A, analyse two changes in the position of children in society over the last 100 years.

Item A: Parents today spend a great deal of time and money trying to make sure that their children enjoy a comfortable upbringing. They want their children to have opportunities that they themselves never ha...
MG
13136 Views

What is a titration?

Titrations are used to make soluble salts (remember solubility rules) from an acid and an alkali. There are no solids involved in this reaction and the solutions made are colourless so there is no way of tel...
BH
Answered by Beatrix H. • Chemistry tutor
3850 Views

Describe and explain two features of starch that make it a good storage molecule.

One feature is its compact shape. Starch molecules consists of two components: Amylose and Amylopectin. Amylose is the straight chained part and amylopectin is the branch chained part. Both these structures ...
IB
Answered by Iulia B. • Biology tutor
43115 Views

How should we use quotations in an exam?

You should close read each quotation, picking each one apart to show your ability for deep analysis. Do not just slot in as many quotations as you can to show you how well you have memorised them, but instea...
EG
Answered by Elicka G. • English tutor
2183 Views

integrate (4cos^4 x -4cos^2x+1)^1/2

we must integrate (4cos 4 x-4cos 2 x+1) 1/2 factorise first ((2cos 2 x-1) 2 ) 1/2 this becomes (2cos 2 x-1)which equals cos 2xthe integral of cos 2x is1/2 sin 2x + C
DW
Answered by Dominic W. • Maths tutor
3894 Views