Xương hóa thạch của loài vượn cổ được tìm thấy ở đâu? 1. Đông Phi, Tây Á, Đông Nam Á 2. Đông Phi, Java, Trung quốc 3. Tây Á, Trung Á Bắc Mĩ 4. Đông Phi, tây á, bắc á

1/ Theo em, Việt Nam rút ra được bài học kinh nghiệm gì từ Công cuộc cải tổ của Liên Xô? 2/ Phân tích những những nhân dẫn đến sự sụp đổ của chủ nghĩa xã hội ở Liên Xô? làm ngắn gọn cho mình nhé mọi người :))

Giải bài 4.Tìm x câu c,d hộ mk nha chỉ câu c thôi nha cần gấp

Trong nguyên tử 1 nguyên tố A có tổng số các loại hạt là 58. Biết số hạt proton ít hơn số hạt nơron là 1 hạt.kí hiệu của A là??

43. It's a pity I can't cook as well as my mom. A. I wish I could cook as well as my mom. B. I wish I can cook as well as my mom. C. I wish I could cook as good as my mom. D. I wish I can cook as better as my mom. 44. Shall we use environmental problem in Ha Noi as a theme of the presentation? A. She suggests use environmental problem in Ha Noi as a theme of the presentation. B. She suggests to use environmental problem in Ha Noi as a theme of the presentation. C. She suggests to using environmental problem in Ha Noi as a theme of the presentation. D. She suggests using environmental problem in Ha Noi as a theme of the presentation. 45. Finish your homework or you can't go out with your friend. A. Unless you finish your homework, you can go out with your friend. B. If you don't finish your homework, you can go out with your friend. C. If you don't finish your homework, you can't go out with your friend. D. If you finish your homework, you can't go out with your friend. 46. It took me 4 hours to read the first chapter of the book. A. I spent 4 hours reading the first chapter of the book. B. I spent 4 hours to read the first chapter of the book. C. I spent 4 hours to reading the first chapter of the book. D. I spent 4 hours read the first chapter of the book. 47. Snowboarding is more dangerous than tennis. A. Tennis is as dangerous as snowboarding. B. Tennis is not as dangerous as snowboarding. C. Tennis is as dangerously as snowboarding. D. Tennis is not as dangerously as snowboarding. 48. Nobody saw her book at the party last night. A. Her book was seen at the party last night. B. Her book was not seen at the party last night. C. Her book were seen at the party last night. D. Her book were not seen at the party last night. 49. Jenny took a taxi, but she still arrived late for the interview. A. In spite of Jenny took a taxi, she still arrived late for the interview. B. Although taking a taxi, Jenny still arrived late for the interview. C. Although Jenny took a taxi, she still arrived late for the interview. D. In spite of took a taxi, Jenny still arrived late for the interview. 50. We didn’t go out because of the heavy rain. A. We didn’t go out because it rained heavily. B. We didn’t go out because of it rained heavily. C. We didn’t go out because it didn’t rain heavily. D. We didn’t go out because it rained heavy.

Mọi người giúp em với ạ, em đang cần gấp, cảm ơn mọi người

câu quy nạp mở bài 8 câu cuối của kiều ở lầu hương bích

Chính xác + đầy đủ giúp em, em cảm ơn

cmr x^2+x+1 lớn hơn bằng không với mọi x

Viết PTHH dãy chuyển đổi sau : a) S => SO2 => SO3 => H2SO4 => Al2(SO4)3 b) CaCO3 => CaO => Ca(OH)2 => CaCl2. Giúp gấpppp