Weekly practical class attendance- attendance of weekly practicals and submission of all tasks completed within these sessions (20%), an individual field report of 2000 words 35% (due in the second half of the semester) and a 2-hour examination 45% (in the examination period). It is a hurdle requirement that students submit the written assignment within the deadline, submit 80% of the laboratory work within deadlines, attend 80% of laboratories and attend the field trip to be eligible to pass the subject.