Questions with the keyword 'tree'

• Why do leaves change colour in the autumn ? by elliejade to Asif, Laura, Lena, Sean, Viv Comments: (No comments so far )
• If a tree falls in a forest and there is no-one there to hear it, did it make a sound? by gnome to Asif, Laura, Lena, Sean, Viv Comments: (No comments so far )