Top answers

All subjects
All levels

Why do rays of light change direction as they pass from air to a glass block?

Light travels as waves which have a distinct set of properties: a speed, a frequency and a wavelength. These properties are related to each other through the following equation: speed = frequency * wavele...

LC
Answered by Lisa C. Physics tutor
18372 Views

Define antibodies and antigens, and describe the different ways in which the body develops immunity.

Immunity is the capacity of the body to recognise the intrusion of disease-causing microorganisms (pathogens) and develop a response to fight infection. Antigens and antibodies are crucial to the process ...

CB
Answered by Charlotte B. Biology tutor
2924 Views

What is Utilitarianism?

On a simple level, utilitarianism is the belief that the morally right thing to do in any situation is to maximise the greatest happiness for the greatest number of people.
A good example of this id...

1714 Views

Solving simultaneous questions, e.g. 3x + y = 11 and 2x + y = 8

The unknowns in a simultaneous equation need to be solved, which in this case are x and y.The method I will be using is by elimination:First, find which unknown has the same coefficient. In this example t...

SS
Answered by Simran S. Maths tutor
2804 Views

What is the pluperfect tense in German and how do I form it ?

The pluperfect tense describes things or events that had been true or had happened at one point in time before something else happened. The pluperfect tense has two parts to it: it is always formed with t...

MS
Answered by Maya S. German tutor
2009 Views

We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning