canisters
a storage device used to hold gas such as pesticide
toxins
something dangerous that can harm the environment
upturned
to redo, or completely renovate
unearthed
to discover or find out
regrade
to create a smoother environment, usually in yards
reconstituted
to initiate again, usually pertaining to policies
rototiller
a piece of cultivating outdoor equipment
horticulture
a practice of managing outdoor gardens that yield products
historian
someone who studies a social activity or event, but also looks into the past and writes papers on it
conquest
to take away by force, to gain power
perimeter
the outside of the object, what is surrounding the area
