Vỏ tàu biển là hợp chất chủ yếu của kim loại ?

cho 2 cặp tính trạng có tỉ lệ như sau cặp 1:dài/tròn=3/1 ; cặp 2:vàng/ xanh=3/1 a) xác định tt trội,tt lặn b) sau khi lai, F2 thu đc TLKH như sau: 3 dài vàng;3 tròn vàng;1 dài xanh;1 tròn xanh. Hỏi 2 cặp tt trên có phân li độc lập với nhau ko?vì sao? CÀNG NHANH CÀNG TỐT GIÚP MIK

Tính giá trị biểu thức: A=x^2+2xy+y^2+4 với x+y=1

A group of three pyramids, Khufu, Khafra, and Menkaura, outside modern Cairo, is often called the first wonder of the world. The largest Pyramid had an original estimated height of 482 ft (now approximately 450 ft). Estimated date of completion is 2680 B.C. Of all the Ancient Wonders, the pyramids alone survive. (1 Điểm) A. Mausoleum at Halicarnassus B. Hanging Gardens of Babylon C. Temple of Artemis at Ephesus D. Statue of Zeus at Olympia E. The pyramids of Giza F. Colossus at Rhodes G. Pharos of Alexandria 5.2. The seventh wonder was the Pharos (lighthouse), built during the 3rd century B.C. on the island of Pharos off the coast of Egypt. It was more than 400 ft tall, making it the tallest structure in the ancient world. (1 Điểm) A. Mausoleum at Halicarnassus B. Hanging Gardens of Babylon C. Temple of Artemis at Ephesus D. Statue of Zeus at Olympia E. The pyramids of Giza F. Colossus at Rhodes G. Pharos of Alexandria 6.3. This famous monument was erected by Queen Artemisia in memory of her husband, King Mausolus of Caria in Asia Minor, who died in 353 B.C. This shrine is the source of the modern word “mausoleum”. (1 Điểm) A. Mausoleum at Halicarnassus B. Hanging Gardens of Babylon C. Temple of Artemis at Ephesus D. Statue of Zeus at Olympia E. The pyramids of Giza F. Colossus at Rhodes G. Pharos of Alexandria 7.4. Often listed as the second wonder, these gardens were built around 600 B.C. Very little is known about this wonder, including when or how it was destroyed. (1 Điểm) A. Mausoleum at Halicarnassus B. Hanging Gardens of Babylon C. Temple of Artemis at Ephesus D. Statue of Zeus at Olympia E. The pyramids of Giza F. Colossus at Rhodes G. Pharos of Alexandria 8.5. Built during the 5th century B.C., this colossal figure in gold and ivory was reputedly 40 ft high. All trace of it is lost, destroyed in a massive fire, except for reproductions on coins. (1 Điểm) A. Mausoleum at Halicarnassus B. Hanging Gardens of Babylon C. Temple of Artemis at Ephesus D. Statue of Zeus at Olympia E. The pyramids of Giza F. Colossus at Rhodes G. Pharos of Alexandria 9.6. A beautiful structure, began about 350 B.C., has columns 60 ft high. It was destroyed by invading Goths in A.D. 262. (1 Điểm) A. Mausoleum at Halicarnassus B. Hanging Gardens of Babylon C. Temple of Artemis at Ephesus D. Statue of Zeus at Olympia E. The pyramids of Giza F. Colossus at Rhodes G. Pharos of Alexandria 10.7. This bronze statue of Helios (Apollo), about 105 ft high, was completed in 280 B.C. It was destroyed during an earthquake in 224 B.C. (1 Điểm) A. Mausoleum at Halicarnassus B. Hanging Gardens of Babylon C. Temple of Artemis at Ephesus D. Statue of Zeus at Olympia E. The pyramids of Giza F. Colossus at Rhodes G. Pharos of Alexandria

*thiết kế sơ đồ tư duy* bài 1 Vị Trí Địa Lí, Địa Hình Và Khoáng Sản lớp 8 môn địa lí mong mn giúp em ạ

Chữa lỗi sai : I like these songs however their melodies are so sweet Nhanh giùm mik Ko cần gthik đou

It is said that a traditional craft village in Vietnam is facing both benefits and challenges. To what extent do you agree? Show your opinions in an essay (about 200 words)

Trong câu "Từ đó, oán nặng, thù sâu, hằng năm Thủy Tinh làm mưa gió, bão lụt dâng nước đánh Sơn Tinh", từ nào là từ đơn, từ nào là từ ghép?

Nêu ví dụ trong thực tế về việc cần tăng, giảm áp suất lên mặt bị ép.

Ai làm giúp e vs ạ hình hơi mờ ấy ạ e cần gấp á ai giúp e vs ak