How did mad cow disease spread and cause cattle to die?A、By using MBM (meat-and-

游客2025-07-26 20

问题 How did mad cow disease spread and cause cattle to die?

选项 A、By using MBM (meat-and-bone meal) with different plants.
B、By eating infected (感染的) MBM.
C、By importing foreign cattle.

答案 B

解析

转载请注明原文地址:http://tihaiku.com/zcyy/4176686.html

相关试题推荐

随机试题

最新回复(0)

______andnewwaytoreduceherpainandsufferingfromtheterribledisease,t