which material is a mixture?以下哪一项是混合物?

15.Air behaves like a simple material ___ a mixture of gases 英语翻译1、A tiny slice or chip of material on which is etched or a gaseous mixture that is a homogeneous mixture of a compoun Example:a gaseous mixture that is a homogeneous mixture of t 什么是cloudy mixture 整句：is a cloudy mixture of two or more subs 英语翻译High-performance concrete (HPC) is a complex mixture oft The sweet sticky soft material produced bybees,which is eate Chinese culture and material progress,which is more importan cork is a light brown material翻译 2.Which size and which material is the most popular one?Why? mixture 英语翻译Soul music is a mixture of blues,gospel,and a little roc