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Cracking is when large hydrocarbon molecules are broken down into smaller ones using a catalyst - one alkane and one alkene are formed.Alkanes are hydrocarbons with only single bonds.Alkenes have one double ...

India is an example of an NEE, a newly emerging economy, this is due to the rapid rural to urban migration that has been taking place. One of the biggest problems with people moving from rural areas to urban...

Abortion is a complex issue within today's world, with conflicting views on the acceptance or dismissal of the procedure. There are many powerful arguments for and against abortion. A pro-choice approach foc...

Pathogens can cause diseases. We can prevent a pathogen from causing a disease in an individual by giving them a vaccine which can make them immune to the pathogen. We do this by taking a dead/weakened form ...

Number of sweets = xG=B Gemma and Betty have the same number of sweetsx=x 5(x-24) = x +24 Gemma gives 24 of her sweets to Betty. Betty now has 5 times as many sweets as Gemma.5x - 120 = x + 245x -x = 24 + 12...