what is a greenhouse used to protect?
cellulose Species orchids the sun h2o organisms glass our planet
A B C D E F G H
Many orchids are rewarding indoor plants.
a greenhouse is used to protect orchids
what is a greenhouse used to protect? (A) cellulose (B) Species (C) orchids (D) the sun (E) h2o (F) organisms (G) glass (H) our planet