A cactus stem stores what?
RNA h2o rain h1n1 co2 H20 O2 copper
A B C D E F G H
Water consists of H2O, etc.
a cactus stem is used for storing H2O.
A cactus stem stores what? (A) RNA (B) h2o (C) rain (D) h1n1 (E) co2 (F) H20 (G) O2 (H) copper