9700/12 Biology May Jun 2020 Online Test | Cambridge AS and A Level MCQ
Cambridge
AS & A Level
Biology (9700)
شهریور
2020
مشاهده نمونه سوال
شامل مباحث:
AS Level
تعداد سوالات: 40
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
60 دقیقه
پیش نمایش صفحه اول فایل
The circumference of a tree stem was measured continually for 48 hours.
The results are shown on the chart recording.
What explains the changes in circumference recorded during the 48 hours?