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What are the possible causes of colony—collaps

2022-08-01 20:04:24 问答库阅读 166 次

问题详情

What are the possible causes of colony—collapse disorder given by the scientists？
A．Worsening environment．
B．Disease and chemicals．
C．Dwindling number of flowers around．
D．Changes in genes’ structures．请帮忙给出正确答案和分析，谢谢！

参考答案

正确答案：B
第四的开头是Itcouldbethatdiseaseiscausingthedisappearance0fthebees．第五段的开头是Anothercauseofcolony-collapsedisordermaybecertainchemicalsthat…，这是科学家给出的两个可能造成这种现象的原因。