Grateful acknowledgement is made to the following sources:
Resource 1 : Text on litter : Adapted from Taitz, L. et al, New Successful English, Learner’s Book, Oxford University Press
Resource 5 : Text on the baobab : Adapted from: Ellis, R. & Murray, S. Let’s Use English, Learners’ Book 5
The kapok tree : Text adapted from http://en.wikipedia.org/wiki/Ceiba_pentandra
Picture of kapok tree from http://en.wikipedia.org/wiki/Ceiba_pentandra
Pictures of kapok seed pod and fibre from http://www.thailex.info/THAILEX/THAILEXENG/LEXICON/kapok.htm
Every effort has been made to contact copyright holders. If any have been inadvertently overlooked the publishers will be pleased to make the necessary arrangements at the first opportunity.