1 gram 10 grams 1 kg 10 kg
Oxygen Cabon Dioxide Silicon Clay
Anemometer Barometer Hydrometer Hygrometer
A. Glaciers B. Desert C. Islands D. Volcanoes E. Fertile land
Electron Proton Neutron Positron
Anemometer Battery Galvanometer Rectifier
green leafy vegetables seeds fresh vegetables and fruits sea foods