Top answers

How does filtration through the kidney work?

There are 3 key stages in filtration through the Kidney: Firstly, blood is pushed through a tubular structure called the glomerulus - imagine a bowl of noodles. The pressure of the blood in the glomerulus ca...
AP
Answered by Alastair P. • Biology tutor
4182 Views

What is crude oil and how is petrol derived from it?

Crude oil is a mixture of hydrocarbons. The crude oil is evaporatedand its vapours condense at different temperatures in the fractionating column. As you go up the fractionating column, the hydrocarbons have...
TP
Answered by Tahir P. • Science tutor
4204 Views

Why did Kennedy and Johnson escalate the conflict in Vietnam?

There are 4 really good factors to talk about when thinking about why Johnson chose to escalate the conflict in Vietnam. 1. The most important factor is containing communism - making sure that communism didn...
AC
Answered by Alexander C. • History tutor
7364 Views

How do I create a great introduction to an English Literature essay?

Introductions are your essay 'in a nutshell'. You want to briefly answer the question without going into too much detail. You should set up the structrue of your essay in the introduction, mention your point...
AC
5537 Views

Factorise and solve x^2 - 8x + 15 = 0

The question gives you a hint on how to go about this question - Factorise!! 1) Factorise the left hand side . Find the two numbers which will add to give -8 and multiply to give 15. In this case, -3 and -5....
KN
Answered by Kieran N. • Maths tutor
6067 Views