Làm giúp mình từ câu h xuống nha cảm ơn

Mọi người giúp mình viết phương trình điện li của muối axit: Ba(HS)2 với ạ :((

giai va giải thích hộ e vs ạ 1This wine ______ in the cellar for 15 years. When we take it out and open it, it will taste beautiful! A. was B. has been C. have been D. is 2I have never felt happier than I do now. A. I felt happier before. B. I feel happy now. C. I have never felt happy. D. I have always felt happy. 3. I / see / friend / you / moments / ago A. I see a friend of yours a few moments ago. B. I saw a friend of yours a few moments ago. C. I have seen a friend of yours a few moments ago. D. I saw a friend of you a few moments ago. 4. This / be / first time / I / be / a plane. A. This is the first time I am on a plane. B. This is the first time I will be on a plane. C. This is the first time I have been on a plane. D. This is the first time I was on a plane 5It _______ a long time since I last _______ to my pen pal. A. is – have written B. has been – wrote C. is – wrote D. has been – write 6Several students have tried to solve the quiz, but no solution _______. A. has found B. was found C. found D. has been found

Làm nhanh nah ! Mình đang cần gấp

Truyện cổ tích có ý nghĩa như thế nào đối với cuộc sống của chúng ta?

giúp mình làm với .....................

Giải hàm số nào sau đây có đô thị như hình đã cho

Bài 1: write obout your hobby : và lm theo đoạn bên dưới này nha lưu í chỉ thay hobby 1: mis hobby is collecting glas pottes 2: she started her hobby 2 years ogo 3: she shares her hobby with her mother 4: to do her hobby the has to collect all bottless ayter using them, and the mates them yor ylower rases and lamps to decorate her home she yinds her hobby aseyul and the will contnue hes hobby in the yutare Các bn thông cảm mik viết sai từ nào các bn sửa hộ mink nha

Tìm các số nguyên dương x, y thỏa mãn x+3 chia hết cho y, y+3 chia hết cho x

Giúp mình ý c bài này với ạ !!!