Witnesses (1) Wheat (1) Water (1) Sowing (1) Social sciences (1) Plants (1) Leaves (1) Gases (1) Fees, Administrative (1) Chlorophyll (1) Carbon dioxide (1) Attention (1) Ability (1) Tasas (1) Clorofila (1) Dióxido de carbono (1) Siembra (1) Testigos (1) Hojas (1) Atención (1) Trigo (1) Ciencias sociales (1) Plantas (1) Agua (1) Aptitudes (1) Gases (1)