____ we were tired, we down beside the stream. a. if b. as c. and d. because of

Giúp mình vs nhé Để oxi hóa 81 gam nhôm người ta dùng 3,36 lít khí Oxi ở điều kiện tiêu chuẩn . Tính Khối lượng nhôm oxit được tạo thành sau phản ứng chất nào dư? khối lượng bao nhiêu ? (M Al dư = 0,2 x 27 = 5,4g) M Al2O3= 0,1×102=10.2g b. tính số gam KMnO4 cần dùng để điều chế lượng Oxi trên(47.4 gam)

Hãy kể lại 4 việc mà nhà nước, các gia đình đã làm góp phần thực hiện quyền bảo vệ, chăm sóc và giáo dục cho trẻ em Việt Nam?

giúp mk vs mn ơi, nghỉ dịch nên quên hết r, híc

viết đoạn văn phân tích khổ 1 và 2 trong bài thơ "Mùa Xuân Nho Nhỏ"

Theo anh/ chị, tại sao Thúy Vân lại đồng ý thay Thúy Kiều nối duyên với Kim Trọng?

Quan sát lược đồ H43.1 và nội dung sách giáo khoa trang 131,132: Cho biết tỉ lệ gia tăng dân số tự nhiên và sự phân bố dân cư ở Trung và Nam Mĩ

I. Read the passage and fill the suitable word in the blank: (1.0 pt) ENERGY SAVING Saving energy doesn’t have to be expensive or time-consuming. But what can you do to save energy? There is plenty that you (1)………………do to help the process of energy conservation. You can save energy (2)………………doing things like making sure that the kettle doesn’t contain more water (3)……………that you need,always washing a full load in the washing (4)…….………rather than a half load, or turning up your air-conditioner by 20C- this could cut your electricity bill by 10%. Make (5)………………that hot water taps are not left running and replace washers if your taps drip. (6)………………work, you can turn off any light and your computer if you are not (7)……..………them. Change to energy-saving light bulbs- these use much less electricity, and often last eight times (8)…….……… than an ordinary bulb. Draw back your curtains and (9)……..………off the light during the day. Switching off electrical appliances (10)……..………they are not in use makes a big contribution to energy-saving, too

Ann, _________ children are at school all day is trying to get a job. * whom whose who which The car _________ the bank robbers escaped in was orange. * which where whose who The teacher with _________ we studied last year no longer teaches in our school. * who whom which that The man _________ robbed the bank had two pistols. * whom who which why Have you received a parcel ________ we sent you? * whom which when who We saw many soldiers and tanks ________ were moving to the front. * who whom which that The day ________ they arrived was Sunday. * when who which where Is there anyone _________ can help me to do this? * why who that which

Giúp mình câu h,k với, mình cảm ơn