Water is very important for life on Earth. And most of it is found in (a) ____ . But, seawater is so salty that it makes it ____ for a lot of species. In fact, water is so important that living things are mostly made out of it. For example, the human bodyis about 60% water. But, we lose water in many ways. One way is in the form of vapor through our (b) ____ . We also lose water by (c) ____ (sweat), in urine and in feces. Water loss can also happen when we are sick, through diarrhea and vomiting which can lead to (d) ____ .

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

استعادة الحفظ التلقائي: ؟