![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
In some cases, recycling could be hazardous to the environment if special precautions are not taken because ______.
A.
industrial emissions are sometimes created in the process
B.
chemical waste is sometimes produced as a result
C.
a great deal of energy is expended to create new products
D.
there are a lot of bacteria in waste things