hãy chứng minh rằng bảo vệ thiên nhiên là bảo vệ chính cuộc sống con người

Trong hoạt động bài tiết nước tiểu, quá trình lọc máu diễn ra ở đâu? A: Bóng đái. B: Ống thận. C: Cầu thận. D: Ống dẫn nước tiểu.

ae giải thích dùm mình cái này với hơi rối

Cho biểu thức A=1/x-2+1/x+2+x^2+1/x^2-4 a) Tìm ĐKXĐ và Rút gọn biểu thức A. b) Tìm x để phân thức luôn nhận giá trị âm.

1. The lost shoe is an old....... A. fable B. modern C. folktale D. comic 2. His doctor said he.......... in bed that week. A. will stay B. has to stay C. can stay D. should stay 3. I was born.............. April 17, 2000. A. on B. in C. at D. of 4. You should............. harder next semester. A. study B. studying C. studies D. studied 5. "May I help you? "- .................. A. what can I do for you? B. I'm afraid I'm busy now. C. Yes, that's very kind of you. D. How can I help you?

Giúp mình nha mình cần lắm cho câu trả lời hay nhất cho người trả lời đầu tiên câu 1

VIII. Read the following passage and choose the best answer for each blank. The world's first film was shown in 1895 by two French brothers, Louis and AugusteLumlere. Although it only (1)________of short, simple scenes, people loved it and films have (2)____________popular ever since. The first films were silent, with titles on the screen to (3)___________the story. Soon the public had (4)___________favourite actors and actresses and, in this (5)_________the first film stars appeared. In 1927, the first "talkie", a film with sound, was shown and from then on, the public (6)_______only accept this kind of film. Further improvements continued, particularly in America, (7)_______produced 95% of all films. With the arrival of television in the 1950s,(8)_________people went to see films, but in (9)_____________years cinema audienceshave grown again. More countries have started to produce films that influence film-making and there are currently (10)_____________national film industries. 1. A. consisted B. contained C. belonged D, held 2. A. gone B. been C made D. kept 3. A. join B. read C. explain D. perform 4. A. your B. his G our D. their 5. A. reason B. way C. method D. result 6. A. should B. would C might D. will 7. A. who B. where C. when D. which 8. A. other B. each C. fewer D. any 9. A. recent B. now C. modern D. present 10. A. many B. lots C. much D. plenty GIÚP MK VỚI NHA MN, THANKS NHÌU HỨA SẼ VOTE ĐẦY ĐỦ!!!

giúp Ennie đề này vs ( lm cả 2 phần ) yêu mn ng, ai đúng mk tick hết

Mn giúp mk câu này với ạ IX/ Supply the tenses or form of the verbs: 1. He (play ) ………………………….. volleyball every afternoon. 2. There (not be) …………………………. any water in the bottle. 3. Nam and Nga (drink)…………………………….. some milk at the moment 4. My sister (want) ……………………….. to be a doctor. 5. They ( sit ) …………………………. in the kitchen now . 6. Mr. ha (go) ……………… to work by car every day, but today he ( take) ……………… a bus 7. Look! The teacher ( come) ……………………………. 8. I often ( write ) ……………………. my lesson in the early morning 9. We usually (have )………………….. dinner at 6pm 10. What ………………. they (do)………………….. in the evening? 11. She ( not listen ) ………………………. to music at the moment 12. Ngoc and Nam ( not ride) ……………………….. bicycle every day

Trên Trái Đất có các khối khí nào? Căn cứ vào đâu ngta phân chia ra các khối khí?