Sdg project

123456
Across
  1. 2. first green chemistry principle
  2. 4. biomass
  3. 5. an area of chemistry and chemical engineering focused on the design of products and processes that minimize or eliminate the use and generation of hazardous substances.
  4. 6. 9th principle
Down
  1. 1. green chemistry also know
  2. 3. number of principle