如图所示是甲、乙、丙三种固体物质的溶解度曲线，根据图示回答下列问题：
如图所示，是小明同学探究“平面镜成像特点”的实验情景：
下列哪种生物不能作为生物武器（ ）
-- Anna, could you lend me this book, please?
-- I'm sorry. I it for only two days, and I haven't finished it yet.
