Johannes Gutenberg's invention has been described as revolutionary because
O coupled with a large pool of unemployed workers, it led to early industrialization
in parts of Central Europe.
O with oil paints, Renaissance artists could paint much more detail than they could
with watercolors.
O the printing of books encouraged more people to learn to read.
O until guilds were created, craftspeople were unable to control the goods they
produced.

the printing of books encouraged more people to learn to read.

in contrast, the biological controls are self-sustaining, inexpensive and very effective once established. biological control could be used on thousands of golf course acres, improving their biodiversity and quality as wildlife habitat. in the process, the golf industry will be shown to be leaders in an environmental stewardship program of benefit not only to the lands they manage but also to the watersheds in which they exist.

true

explanation: