IMPROVEMENTS IN AGRICULTURE

Больше похоже на это

English as a Global Language

от Luis Angel Sanchez Luna

CONTENUTI MULTIMEDIALI

от Virginia Ruggeri

My Self Driving Cars

от Saif Awad

Mars

от Tina Webb

rebirth of cities

consequences

less hunger

increase population

trade

charters of liberty

IMPROVEMENTS IN AGRICULTURE

increase the extension of agricultural land

cutting down trees

windmills watermills

Fallow 3 years crop rotation

Heavy plough

less workers

irrigation

increase production

healthy diet