12. Read this sentence from paragraph 5 of "Persevering Plants." Rodriguez has tested his endophyte mixture
on crops and achieved success.
an
Which sentence from "The Cure for Concrete" shows a similar outcome for bioconcrete?
The bacteria can live in the hardened concrete for decades. (paragraph 5)
at
In 2011 self-healing concrete was used to construct a lifeguard station near a lake in the
Netherlands. (paragraph 6)
With the help of Jonkers' bioconcrete, the lifeguard station has remained intact.
(paragraph 6)
Bioconcrete has been used on the floors and roofs of parking garages. (paragraph 6)