液氮降雨剂是一种新型人工降雨剂。下列关于液氮降雨剂的说法正确

液氮降雨剂是一种新型人工降雨剂。下列关于液氮降雨剂的说法正确的是

A.使用该降雨剂会污染空气

B.降落的雨滴中将含有大量的液氮  

C.该降雨剂在降雨过程中有水生成

D.该降雨剂在降雨过程发生物理变化

答案

D

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