Top answers

Insulating a home costs £2000 and saves £50 a year. What is the payback time?

40 years.
LT
Answered by Leo T. • Physics tutor
4404 Views

Describe the formation of a gorge.

A gorge is formed as a result of a change in rock type at a waterfall. At the base of a waterwall the pressure and hydraulic action of the falling water causes the softer rock which is underneath to erode fo...
EW
Answered by Ellie W. • Geography tutor
62281 Views

How would you check if a number is palindrome using a looping algorithm in any programming language ?

A palindrome number is one which remains the same when its digits are reversed. For example 121, if you write 121 backwards its still 121. The algorithm involves a really simple loop which just reverses the ...
YR
11945 Views

When do we use the perfect and imperfect tense and what is the difference between the two?

Unfortunately one of the hardest things when it comes to learning about the past tense in French is learning the difference between the perfect and imperfect tense and when to use each of them. Put simply, t...
EC
Answered by Emily C. • French tutor
11214 Views

Use one or more examples to explain why people migrate within the European Union.

This very topical GCSE question in the ‘Population Change’ topic asks you to explain why people move between countries that are part of the European Union (EU).As the question asks you to use ‘examples’ you ...
RW
Answered by Robert W. • Geography tutor
6463 Views