nếu 1 loài trong quần xã bị khai thác quá mức thì hiện tượng gì sẽ xảy ra? tại sao?

Giúp mk nhanh vớiiiii. Hơi ít điểm vì mk hết điểm rùi

Mọi người giúp mình nhanh lên với, tối mình cần rồi.

Vẽ anime buồn, hơi rơm rớm nước mắt (có thể là chuẩn bị khóc) Nhớ kí

trong hệ sinh thái rừng nhiệt đới hãy chỉ ra mối quan hệ giữa các loài

NaCl ngoài td với H2O để tạo ra sp là NaOH còn chất khác nào không?

Vẽ anime :Đ NL : Hóng ......:Đ

viết văn bản trình bày suy nghĩ của em về người anh hùng ngày nay

Mọi người giúp tôi với nhanh lên nhé

Exercise 1 Choose the best one to complete these sentences 1- She ………………at home last Sunday morning A- is B- was C- isn’t D- were 2- Minh ………………a postcard to his girlfriend in his room A-writes B-write C- is writing D-is writeing 3-What was the weather like in Ha Noi ………………, Mai? A- today B-now C-tomorrow D-yesterday 4-He ………………a funny story and we are listening ……………… A-is telling/ to her B- tells/ to him C-is telling/ to him D- isn’t telling/ to him 5- There ………………an exciting football match on TV last night A- was B- is C- were D-are 6-I can’t help you now, I………………an English book A-read B-look C-am looking D-am reading 7-There …………nothing interesting on TV on Monday evening so I often go to bed early A- wasn’t B-was C-isn’t D- is 8-My school ………………3 floors and our classroom ………………on the second floor A-has/ has B-have/ is C-has/ is D-have /has 9-Today ………………Saturday so yesterday………………Friday. A-is/ was B-is/ is C- was/is D-was/ was 10-This month is April so last month ………………February A-was B-wasn’t C-were D-weren’t Exercise 2 Put a suitable words on the space to complete these sentences 1- January is………………………………of the year 2- ………………………………do you often have on Monday? 3- It is ………………………………in June and July. 4- She is a very good ………………, she sings very well. 5- We are busy, we ………………you now. My parents ……cleaning the floor, my brother …………his lessons and I ……………my English homework. 6- I like ………………………………in summer. 7- My teacher of English ………………Singapore 8- We are Vietnamese, we ……………………………… 9- He ………………to work on weekdays and he ………………to work at weekend 10-Flowers in spring are ………………………………