QUESTIONS

Q : Is Alaska salmon sold in shops the same species as Scottish salmon?

Jenny Cowan, Chelmsford, Essex. Q : A headline from 2010 said the Earth had around 60 years of harvests left due to the degradation of topsoil. Is this true?

Emma Oldfield, Woking, Surrey. Q : There’s a drainage ditch near us called Pickedmoor Rhine. Does it share a name origin with the great German Rhine?