Giúp mik bài 1, mik đang cần kết quả gấp

Nhanh vs ạ gấp.chỉ cần là phần a

1)Hãy phân loại đối tượng lđ có sẵn trong tự nhiên và đối tượng trải qua tác động của lđ trong các trường hợp sau:mỏ vàng,rừng cây,cá,tôm. 2)Con người có phải là đối tượng lđ k ?vì sao? Giúp nhanh vs ạ helpppppp

số có 1995 chữ số 7 khi chia cho 15 thì phần thập phân của thương là bao nhiêu

Exercise 2: Choose the correct item from the choices in the parentheses: 1. Don't walk under that ladder. It's (dangerous / dangerously) ________________ 2. That woman sings very (bad / badly) ______________. What a terrible noise! 3. Thu is a (skillful / skillfully) _______________ swimmer because she practices every day. 4. Nga ran (fast / fastly) _______________ and won the race. 5. Mr. Dang is a (gool / well) _______ badminton player. He won a gold medal at the Olympic Games. 6. The man with the broken leg walked (slow / slowly) _____________ down the street. 7. My mother added some wine to the beef so it tasted (good / well) ______________ 8. Nga sat (silent / silently) _________________ in her room. 9. These sunflowers smell (sweetly / sweet) ________________ 10. You look (terribly / terrible) ________________ . Are you all right? 11. The child became (violently / violent) ___________ when his friend threw him a snack. 12. Liz is talking (interesting / interestingly) ________________ about her vacation in Da Lat. 13. Shut the window (quiet / quietly) _________________, please. 14. My father is a (careful / carefully) driver. He always drives (careful / carefully) ___________ 15. Last week, Liz saw many (different / differently) _________________ types of fish. 16. Tommy and Henry often wear (colorful / colorfully) ________________ clothes. 17. Sharks are not as (dangerous / dangerously) ________________ as people think. 18. (Sudden / Suddenly) ________________, the mummy got up and smiled at the viewers. 19. My grandfather is 80 years old. He walks very (slow / slowly) ________________ 20. The food of the restaurant smells (deliciously / delicious) __________________ 21. I tried on the shoes and they fitted me (perfect / perfectly) _________________ 22. You should follow (strict / strictly) _________________ the traffic rules. 23. If you work too (hard / hardly) _________________, you'll get tired. 24. We should do morning exercises (regular / regularly) _________________ 25. I can't see (clear / clearly) ________________ because it's too dark. Ghi câu trả lời thôi ạ!

Chứng minh rằng: $(x+y+z)^{3}$= $x^{3}$+ $y^{3}$+ $z^{3}$+$3(x+y)$$(y+z)(z+x)$

Điền từ:melted, thousands, and ,away, moderate, cold Islands can form in a lot of different ways. Some islands formed a long time ago. About 20,000 years ago, Earth was very, very (1) _____. Lots of water from the ocean froze into ice, (2) _____ the sea level went down everywhere. Later,Earth became warmer and a lot of the ice (3) _____, and the sea level went up. Places that were valleys and mountains 20,000 years ago became seas and islands. Sometimes, land can move (4) _____ from the mainland to form an island.It takes (5) _____ of years for islands to form in this way.

Cho a,b,c $\rm\ge$ 0 và ab+bc+ac=1 .Chứng minh a+b+c+3abc $\rm\ge$ 2

Giúp ạaaaaaaaaaaaaaaaaaaaaaaaaaaaa

Dựa vào số liệu ở bảng bên, hãy vẽ đường biểu diễn mối quan hệ giữa I và U , nhận xét xem nó có phải là đường thẳng đi qua gốc toạ độ hay không?