The amounts of oxygen and nitrogen in the air almost always remain stable, but the amount of water vapor vary considerably.
Nguyễn Thanh Thảo | Chat Online | |
06/09 17:27:23 (Tiếng Anh - Lớp 12) |
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The amounts of oxygen and nitrogen in the air almost always remain stable, but the amount of water vapor vary considerably.
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A. vary 0 % | 0 phiếu |
B. almost always 0 % | 0 phiếu |
C. The amount of 0 % | 0 phiếu |
D. stable 0 % | 0 phiếu |
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