Con người đã có tác động tích cực và tiêu cực như thế nào đến sự phân bố thực động vật trên Trái Đất

Người ta thả một khối đồng được đun nóng tới 500 độ C vào một xô nước ở 20 độ C chứa 1,5 lít nước. Khi có cân bằng nhiệt thì nhiệt độ trong xô nước là 85 độ C a) Tính nhiệt lượng do thỏi đồng tỏa ra b) Tính khối lượng của đồng c) Nếu trong quá trình trên ta thả thổi đồng thứ 2 có khối lượng 1 kg được nun nóng đến 500 độ C vào xô nước trên thì nhiệt độ cuối cùng của nước trong xô là bao nhiêu

Where one stage of child development has been left out, or not sufficiently experienced, the child may have to go back and capture the experience of it. A good home makes this possible- for example by providing the opportunity for the child to play with a clockwork car or toy railway train up to any age if he still needs to do so. This principle, in fact, underlies all psychological treatment of children in difficulties with their development, and is the basis of work in child clinics. The beginnings of discipline are in the nursery. Even the youngest baby is taught by gradual stages to wait for food, to sleep and wake at regular intervals and so on. If the child feels the world around him is a warm and friendly one, he slowly accepts its rhythm and accustoms himself to conforming to its demands. Learning to wait for things, particularly for food, is a very important element in upbringing, and is achieved successfully only if too great demands are not made before the child can understand them. Every parent watches eagerly the child’s acquisition of each new skill — the first spoken words, the first independent steps, or the beginning of reading and writing. It is often tempting to hurry the child beyond his natural learning rate, but this can set up dangerous feelings of failure and states of anxiety in the child. This might happen at any stage. A baby might be forced to use a toilet too early, a young child might be encouraged to learn to read before he knows the meaning of the words he reads. On the other hand, though, if a child is left alone too much, or without any learning opportunities, he loses his natural zest for life and his desire to find out new things for himself. Learning together is a fruitful source of relationship between children and parents. By playing together, parents learn more about their children and children learn more from their parents. Toys and games which both parents and children can share are an important means of achieving this co-operation. Building-block toys, jigsaw puzzles and crosswords are good examples. A. Write T if the statement is true according to the passage; F if the statement is not true, and NG if the information is not given in the passage 1. It is important for a child to gradually get used to his daily demands in the process of mental development. 2. To force children to learn different skills beyond their natural learning rate is encouraged by parents. 3. Parents should leave their children’s mental development for school education. 4. The understanding between parents and children plays an important role in mental development. 6. Parents are advised to do everything for their children right from early children.

celebrate sing joke divorce receive decorate serve gather invite clap 1. Paula’s parent _______ when she was only a child. 2. Everyone _______ us when we went up to get our prize. 3. Let’s have a party _______ your birthday. 4. _______ you _______ your Christmas tree yet? 5. I’d have liked to have gone to their party but I_______. 6. She _______ a camera as a twenty-fifth birthday present. 7. Traditionally, Auld Lang Syne _______ at midnight on New Year Eve. 8. I thought he _______ when he said he’d resigned. 9. By the time we got to the party, the pasta ________. 10. They _______ for a major conference at the moment. điền từ vào chổ trống ạ

I'm going out for a m..... tonight , to my favourite restaurant Điền vào chỗ trống giúp em với ạ , em cảm ơn nhiều nhe

Cho tam giác ABC trực tâm H, các đường cao AD, BE, CF (các điểm đều thuộc cạnh). Chứng minh: `(HD)/(HA)+(HE)/(BE)+(HF)/(CF)=1`

có cấu hình electron 1s22s22p63s23p63d64s2 cấu hình này là cấu hình nguyên tử hay ion tại sao???( Help me:((()

Nhờ mn giải dùm e vs ạ, e cám ơn nhiều <3

Bài 1. Chọn đáp án đúng 1. I ——————— at a bank. A. work B. works C. working 2. She ——————– with her parents. A. live B. lives C. living 3. Cows ———————– on grass. A. feed B. feeds C. feeding 4. He ———————- a handsome salary. A. earn B. earns C. earning 5. Janet ———————- to be a singer. A. want B. wants C. wanting 6. Emily ———————– delicious cookies. A. make B. makes C. making 7. Arti and her husband ——————- in Singapore. A. live B. lives C. living 8. Rohan and Sania ———————- to play card games. A. like B. likes C. liking 9. Sophia ————————– English very well. A. speak B. speaks C. speaking 10. Martin ———————– for a walk in the morning. A. go B. goes C. going 11. My grandfather ——————– his pet dog. A. adore B. adores C. adoring 12. Plants ———————– water and sunlight for making their food. A. need B. needs C. needing

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