Ag có phản ứng với H2SO4 loãng không

Anh/chị hãy phân tích vẻ đẹp của câu ca dao “Ta như sao Vượt chờ trăng giữa trời”.

Vùng biển rông 200 hải lí tính từ đường cơ sở là

I 'm feeling cold.' 'Have some hot tea. It will ________ you good.' a) do b) contribute c) cause d) make 2. It _______ to me that someone was trying to break into my office. a) observes b) concludes c) appears d) realises 3. This is a(n) __________ letter it must be delivered without delay. a) immediate b) urgent c) speedy d) rapid 4. We offered Mr Jones a higher salary but he still _________ to work for us. a) objected b) rejected c) refused d) disapproved 5. 'How many calories do you consume on __________ ?' 'Too many.' a) usual b) common c) habit d) average 6. Don't worry about accommodation. We'll __________ you up in one of our rooms. a) put b) lay c) keep d) fix 7. In 1995, my older brother ___________ from Boston university. a) finished b) graduated c) promoted d) departed 8. Greg and I met in t he cafe by We hadn't planned it. a) luck b) occasion c) fortune d) chance 9. Uncle Jerry is a(n) _________ smoker. He smokes four packets a day. a) permanent b) addictive c) habitual d) endless 10. Early in the morning, Ellen_________ a birth to a wonderful baby boy. a) gave b) provided c) delivered d) bore

1.Last summer vacation, I took part in ‘the green summer campaign’ which offered a lot of ___________ work to help the community. 2. ‘Go Green’ is a ___________ organization that usually holds some communal activities to protect the environment. Would you like to join it? 3. ___________ must be protected by every single one of us. It provides us with fresh air, habitats, clean water and other necessary things we consume every day. 4. Keeping your houses clean, planting more trees and eating healthy food are all good pieces of advice that are _____________ your health. 5. We have just received a ___________ of 1,000,000 VND from an unknown man. 6. My students collected garbage on the streets and beaches in the neighborhood in the hope of ______________ and raising people’s awareness. 7. A lot of people in the world ___________ to help people in the earthquake in Haiti. 8. A simple action of picking up a piece of garbage also ___________ your community, which helps the streets cleaner and nicer. 9. I am going to ___________ a birthday party next week. Would you spend a little time coming over? 10. Trees ___________ us with fresh air and shadow. They are so beneficial.

Giúp mình với mọi người ơi. Cảm ơn trước nha<3 Một đĩa tròn bán kính 50cm quay đều mỗi vòng mất 0,2s. Tính vận tốc góc, gia tốc hướng tâm, vận tốc dài của một chất điểm trên vành đĩa

Một biến trở dây quấn làm bằng hợp kim nicrom có điện trởsuấtρ=1,1.10-6Ω.m,tiết diện dây S=0,55 mm2,chiều dài dâyl=10m.Hiệu điện thếlớn nhất được đặt vào hai đầu biến trởlà 24V.Sốghi giá trịđiện trởvà cường độdòng điện trên biến trởlà bao nhiêu?

làm câu a và b thôi nhá các bn ơi

`` `` Cali: Xách balo và đi NL:Có ai mang e đi ko vậy ?

Giúp em 5 câu này với ạ, giải thích dùm em luôn ạ