what is a cactus stem used for storing?
H20 carbon monoxide CO2 vinegar rain O2 sunlight h2o
A B C D E F G H
Water is made up of H2O molecules.
a cactus stem is used for storing h2o
what is a cactus stem used for storing? (A) H20 (B) carbon monoxide (C) CO2 (D) vinegar (E) rain (F) O2 (G) sunlight (H) h2o