Ever since humanity began to farm our own food, we've faced the unpredictable rain that is both friend and enemy.
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Related: unpredictable
Prev: take into account the seasons as well as any unpredictable weather. New seeds must be sown and weeds must be pulled.
Next: Such assistance was essential in identifying potential dangers—poisonous species, unpredictable rivers, uncharted territories—which could mean the difference between life and death.