Question

how was the problem of what to do with brune finally solved​

Answer 1

lBruno had grown quiet big to be kept at home, due to which the author's family had send him to the zoo. However, the problem was ultimately resolved by making an island for the bear, keeping all his needs in mind

Answer 2

Photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. ... During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.