Writing task 1/Discuss this question in pairs or small groups. Brainstorm ideas first. What problems does a person who is totally colour-blind face in everyday life? 2/Present your three best ideas to the class.

cho 19g hh M2CO3 , MHCO3 pứ vừa đủ với dd H2SO4 tạo ra 4,48l CO2 (đktc) . tìm kim loại M

Giúp mk câu 4 vs ạ mình cần gấp

thêm vào cuối: 8this morning my dad (not/drink)_______tea as usual 9 How many bottles of oil________your family (need)______in a month? 10 I (never/enjoy)______Bun Bo HUe before.

Practice 4 : Combine These Pairs Of Sentences Using Relative Pronouns: WHO(M)/why/ WHICH/WHERE, when. That ... 1.I'll never forget the time. I met you at that time. 2.. The village was small. I grew up there. 3.. 1975 was the year. The revolution took place in that year. 4. I apologized to the woman. I spilled her coffee. 5. They're the postcards. A few of them arrived yesterday. 6.The children sang aloud all night. This kept their parents awake. 7. Maria was angry about the reason. I didn't know that reason. 8. The boy looked very scared. I talked with him. 9. She met the students. All of them returned from London. 10. The only thing matters. It is to tell the truth.

cho hh MgCO3 , Na2CO3 vào dd HCl 14,6% vừa đủ thu được dd MgCl2 : 8,62% , NaCl :x% . tính x và khối lượng % MgCO3 , Na2CO3 ban đầu

Từ 22 kg nấm tươi ta nhân được 2,5 kg nấm khô chứa 12phần trăm nước .Hỏi bao nhiêu phần trăm nước ở trong nấm tươi

Mik ns thật Lm nhanh 10p Ko mik báo cáo đấy

viết một đoạn văn cần phải làm ngay bây giờ, nhưng hy vọng bạn sẽ không cần phải làm trong tương lai bằng tiếng anh

$x^{2}$ .($x-y^{2}$ +$\frac{1}{2}$ )