Chemistry
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Biology
Why do muscles start producing lactic acid when there's not enough oxygen?
Physics
Why is speed not considered a vector?
English
Does anyone know a good book i could read to improve my english?
Math
Can someone help me understand the chain rule in differentiation?
Arabic
هو ازاي في اجابات كتاب الامتحان مكتوب خبر جملة اسمية و الخبر هو بالتمني و المفروض ان خبر الجملة الاسمية بيكون كلمتين او اكتر و يكون فيه ضمير عايد على المبتدأ
آخر
متي تدغم النون الساكنه والتنوين
Chemistry
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Is there a simple experiment I can do at home to tell whether something is acidic or basic without using pH paper?
Biology
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I was solving a genetics question where both parents have brown eyes, but their child has blue eyes. How is that possible if brown eyes are dominant?
English
I always get confused in words that have a silent letter, is there a trick or something to it?
Physics
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What's the best way to learn how to draw a free body diagram?
Math
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I am not exaclty sure how to solve this question can someone help?
History
How to use the camera lucida?
Engineering
How do I use the method of least squares to fit a line to the 4 data points???
Science
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If plants need sunlight to make food, how do they stay alive at night when there is no sunlight?
Chemistry
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Why do I subtract the two burette readings? I don’t understand which volume I’m supposed to use.
English
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Hi, I understand english well, but I am not very good talker. Will it take a long time to talk better?
English
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Do I always put an if the word after it starts with a vowel? Because I feel that always works
Physics
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Why do we measure mass in kg but weight in Newtons? Aren’t they basically the same thing?
Biology
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I understand that mitosis and meiosis are both types of cell division, but I keep mixing them up. Why does mitosis produce 2 cells while meiosis produces 4, and what happens to the chromosome number in each one?
Math
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I’m trying to explain this to my younger brother in Grade 5. What’s the easiest way to explain how to find a common denominator without just telling him to memorize the steps?
Math
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How do I know if I should factor this or use the quadratic formula?
Arabic
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ما الفرق بين الجملة الاسمية والجملة الفعلية في اللغة العربية، وما أهم خصائص كل منهما؟"
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