Scientists would find places where these radioactive metals are plentiful even though all mixed up in rocks and soil.

admin2018-08-11  35

问题 Scientists would find places where these radioactive metals are plentiful even though all mixed up in rocks and soil.

选项

答案科学家时常找到富含此类放射性金属的地方,尽管这些金属全都混于岩石和土壤之中。

解析
转载请注明原文地址:https://jikaoti.com/ti/o0VYFFFM
0

最新回复(0)