Top answers


Crude oil has to be separated into fractions to be useful. How is this done?

Crude oil has lots of molecules with different numbers of carbon atoms in them. A fractional distillation column is used to separate the molecules. It is hottest at the bottom and coolest at the top. Bitumen...
TD
4633 Views

What are important stages of preparation for an upcoming performance?

There are multiple things you can do to prepare for an upcoming performance: Practise This may seem like an obvious thing, but there is a lot to consider when it comes to rehearsing for a musical performance...
BB
Answered by Becky B. Music tutor
1141 Views

State 4 different terms for describing musical texture and define them:

Possible answers: Homophonic: A homophonic texture means that the various lines of music (perhaps played by different instruments or voices), are all moving together, so the texture is chordal, and literally...
BB
Answered by Becky B. Music tutor
6744 Views

How do you find the derivative of arcsinx?

to find the derivative, we can first make this easier to visualise. Say a second variable, y, is included to make this become y = arcsinx. now if we sin both sides, we get siny = x. we already know the deriv...
TG
4813 Views

Evaluate the behaviourist approach to explaining behaviour. {6 marks}

For this question I recommend developing one positive and one negative point, both of which follow the PEEL (point evidence explanation link) format. This ensures that you hit the knowledge marks (AO1) and e...
HW
Answered by Hannah W. Psychology tutor
13446 Views