Infectious Diseases Quiz (1) Biology AS Level
Cambridge
AS & A Level
Biology (9700)
فروردین
2010
شامل مباحث:
UNIT 10: Infectious diseases
تعداد سوالات: 19
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
25 دقیقه

پیش نمایش صفحه اول فایل
Which factors contribute to outbreaks of measles after natural disasters?
1) contamination of drinking water with untreated sewage
2) lack of effective vaccination coverage in the population before the disaster
3) people living in overcrowded accommodation