Câu hỏi:
20/04/2022 256
The creation of helium within stars___________
The creation of helium within stars___________
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Câu hỏi trong đề:
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Trả lời:
Giải bởi Vietjack
Việc tạo ra helium trong các ngôi sao ________.
A. làm cho helium có nhiều ở sao già hơn nhiều so với sao trẻ
B. sản xuất hydro dưới dạng sản phẩm phụ
C. không thể đo được
D. tạo ra năng lượng
Đáp án: D
Giải thích: “...nuclear reactions that convert hydrogen to helium are responsible for most of the energy that stars produce”: các phản ứng hạt nhân chuyển đổi hydro thành helium chịu trách nhiệm cho hầu hết năng lượng mà các ngôi sao tạo raNhà sách VIETJACK:
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