Which of the following is the most important factor in achieving sustainability?
a)
ending nonrenewable resource use
b)
agricultural practices
c)
resource management
d)
ending pesticide use
e)
ending fossil fuel usage

alchemy hadn't scientific methods of study, appeal to mysticism and fantasy, the knowledge of chemistry and physics were modest at that time.

alchemy was - but as new rules were discovered it either changed into chemistry or it became "unscientific".

false it is never safe to stand on the top step of a ladder provided it is braced properly.