Para.11 (3)Q:What's the function of "creep upward"? A:It vividly shows us the increasing process of carbon dioxide,which moving slowly and quietly. (4)Translate the sentence into Chinese. 。此后每年，其浓度逐年悄悄攀升，而现在已 达到0.0340%。 Para.11 ❖ (3) Q: What’s the function of “creep upward”? ❖ A: It vividly shows us the increasing process of carbon dioxide, which moving slowly and quietly. ❖ (4) Translate the sentence into Chinese. ❖ 此后每年，其浓度逐年悄悄攀升，而现在已 达到0．0340％