Answer:
1962
Explanation:
Andy Warhol turned to his most notable style—photographic silkscreen printing—in 1962. This commercial process allowed him to easily reproduce the images that he appropriated from popular culture.
Answer:
Target plant biomass decreased and neighbor plant root biomass increased.
Explanation:
As the percentage of a target plant's tube open to neighbors' roots increased, <em>target plant biomass decreased and neighbor plant root biomass increased</em>. The study was designed to investigate the relationship between neighbor root biomass and belowground competition. When the number of target plant's tube open to neighbors' roots increased, target plant biomass decreased and neighbor plant root biomass increased.
