560fd65f_KS3_Ex___Earth_Science_On_Site__uitable_questions_at_this_site
[Acceptable responses] Probably not, unless there has just been a downpour. However, there just may be some fine sand being rolled over the bottom. Look carefully.
Is the water transporting any sediment today? [The answer depends a little on how lucky you have been with the weather].
MEL/KS3/Ex - Earth Science On-Site
Suitable questions at this site