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تسجيل
الأسئلة
الأسئلة غير المجابة
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الأعضاء
اطرح سؤالاً
اطرح سؤالاً
A murder was reported and the police were sent to.......
0
تصويتات
سُئل
أغسطس 11
بواسطة
مجهول
A murder was reported and the police were sent to.......
من فضلك
سجل دخولك
أو
قم بتسجيل حساب
للإجابة على هذا السؤال
1
إجابة واحدة
0
تصويتات
تم الرد عليه
أغسطس 10
بواسطة
مجهول
investigate
تعليقك على هذه الإجابة:
اسمك الذي سيظهر (اختياري):
أعلمني على هذا البريد الإلكتروني إذا تم إضافة تعليق بعدي:
أعلمني على بريدي الإلكتروني إذا تم إضافة تعليق بعدي
نحن نحرص على خصوصيتك: هذا العنوان البريدي لن يتم استخدامه لغير إرسال التنبيهات.
مرحبًا بك إلى يزيد، حيث يمكنك طرح الأسئلة وانتظار الإجابة عليها من المستخدمين الآخرين.
اسئلة متعلقة
0
تصويتات
1
إجابة
questions Since many people today like to have clean, bright white teeth, it is surprising that toothbrushes only became common in the twentieth century. But just because people haven’t been using toothbrushes doesn’t mean that they haven’t always tried to keep their teeth clean and their breath fresh. People have cleaned their teeth in a variety of different ways for thousands of years. For example, they used a device called a chewstick. This was a small, thin stick, about the size of a pencil that people chewed on, to remove food and debris from their teeth. Chewsticks were made from special trees that smelled and tasted good so that they would also freshen the mouth and breath. Some form of chewstick was used all over the world for thousands of years. Another way that people cleaned the
سُئل
مايو 29
بواسطة
مجهول
0
تصويتات
1
إجابة
Did you know that the ancient Egyptians were very successful because they had good natural resources? (Agriculture (was a very important part of the economy of Egypt. The Nile flooded every year and made the soil fertile. Farmers grew lots of different crops, such as cotton, and rice. Do any of you know what flax is? This tall plant has blue flowers. The plant turns yellow after the flower die. Flax was important in ancient Egypt. People used it to make linen for clothes, as well as for strong rope.Answer the following questions. What is flax? Why were the ancient Egyptians successful? Mention one reason.
سُئل
أبريل 27
بواسطة
مجهول
0
تصويتات
1
إجابة
Relative gene expression analysis was performed for 3 genes (Caspase-3, Casp-7 and Casp-9) by PCR. Ct values were obtained (data set below) for five patients with a neurodegenerative disease. No other criteria such as age or gender were considered. Casp-3: 34.56 – 35.67 – 32.19 – 46.43 – 67.23 Casp-7: 57.34 – 46.78 – 75.67- 34.56 – 54.34 Casp-9: 85.67 – 86.45 – 74.56 – 67.59 – 68.67
سُئل
مايو 15
بواسطة
مجهول
0
تصويتات
1
إجابة
مثال على Was/Were Going To (Future in the past)
سُئل
مايو 15
بواسطة
مجهول
0
تصويتات
1
إجابة
شرح Was/Were Going To (Future in the past)
سُئل
مايو 15
بواسطة
مجهول
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