Top answers


How do we work out the asymptotes of the graph y=1/x -5

In most core 1 papers this kind of question is usually asked. First of all an asymptote is a line that is close to an axis but never touches it. Now look at the graph as a normal reciprocal graph of y=1/x th...
AB
Answered by Aniqah B. Maths tutor
9601 Views

Evaluate sexual selection theory as an explanation of human relationships

There is supporting evidence for the role of sexual selection as a result of anisogamy. Buss et al (1989) carried out a survey of 10,000 adults in 33 countries . He asked questions relating to a variety of a...
CW
3242 Views

Describe the characteristics of a destructive wave

Destructive waves have a weak swash and a strong backwash, thus material is removed from the beach. They are strong waves created when the wind is strong and has been blowing for a long time or in stormy con...
CW
Answered by Charlie W. Geography tutor
17719 Views

What is the difference between haemodialysis and peritoneal dialysis?

Both are forms of treatment for kidney failure so the blood is left unfiltered as this is one of the main functions of the kidneys. In haemodialysis all of the blood is filtered and it is done externally thr...
VD
Answered by Vaibhi D. Biology tutor
14169 Views

How do you answer a questions on how a buffer solution works?

This question would be a 5/6 mark question- marks are displayed throughout You always start by defining what a buffer solution is: A buffer solution is a system that minimises a change in pH on the addition ...
AR
Answered by Alice R. Chemistry tutor
4425 Views