Search our library of homework questions

Top answers

All subjects

All levels

What is the difference between 'ser' and 'estar'?

As with 'por' vs 'para, understanding how to use the verbs 'ser' and 'estar' can be tricky when learning Spanish, given both verbs translate as 'to be' in English. As a general rule, 'ser' is used to desc...

Answered by Emily E. • Spanish tutor

3107 Views

Putting bee honey on a cut kills bacteria. Honey contains a high concentration of sugar. Use your knowledge of water potential to suggest how putting honey on a cut kills bacteria. (AQA BIOL1)

Sugar is a solute and is able to dissolve in water. When sugar is dissolved in water, it has a low water potential. Water moves from a high water potential to a low water potential; from where there is a ...

Answered by Charlotte S. • Biology tutor

25608 Views

What is the Difference between saturated and unsaturated fatty acids?

Firstly, saturated fatty acids are where all the carbon atoms have single bonds between them making the lipid saturated as no more hydrogens can be added. Having

Answered by Katie D. • Biology tutor

83070 Views

What are the economic problems associated with an ageing population?

Firstly, an ageing population puts a greater strain on health services, which will therefore require more government funding; this is particularly an issue because elderly people are more susceptible to h...

Answered by Anna C. • Geography tutor

2729 Views

How do I use critics in a coursework essay?

In a coursework essay only use critics that support the themes that you are drawing upon. You should make sure you interpolate them properly, it's better to introduce them and explain them after the quota...

Answered by Isobel B. • English Literature tutor

10274 Views