Top answers

Describe what happens to copper ions during electrolysis of copper sulphate.

Copper ions are positively charged. So they are attracted to the negative electrode. The negative electrode is called cathode.At the cathode, each copper ion gains two electrons. They are said to be reduced ...
EJ
49089 Views

Describe how animals and plants are adapted to survive in dry conditions such as deserts.

Animals Have large surface area to increase loss of heat by radiation, which allows the animal to keep cool. Have reduced body fat. Body fat acts as an insulating layer preventing loss of heat from the body....
EJ
Answered by Elakkeya J. • Biology tutor
60316 Views

These are the selling prices of 5 houses in 2007: £145 000, £170 000, £215 000, £90 000, £180 000. Work out the mean selling price.

There are different types of averages: the MEAN, the MEDIAN and the MODE. The mean average is where we add all the numbers up together and divide by the amount of numbers provided. So for this case, we would...
KH
Answered by Kate H. • Maths tutor
5161 Views

When should I use a book quotation in my writing?

It is important to use quotations in your essays as evidence for a point you are making. Use 'PQO' to remember the important steps you must adhere to when writing an essay. Point - make your point in your ow...
AC
7745 Views

Why is diffusion important in plants and animals? Give examples

The process of diffusion is extremely important for the uptake of substances into cells. These substances can be very important for a whole range of cellular processes. Its also useful in reomoving waste pro...
BW
Answered by Benito W. • Biology tutor
71885 Views