What were some of the dangers faced by workers on the Panama Canal? cold, pneumonia, harsh winters

poor lighting and ventilation

angry resentment of Panamanians

malaria, yellow fever, rockslides

cold, pneumonia, harsh winters

Explanation:

the language dates from the contacts of arabian traders with the inhabitants of the east coast of africa over many centuries. under arab influence, swahili originated as a lingua franca used by several closely related bantu-speaking tribal groups.

crop rotation kepy different plants in the soil instead of once constintly. when switching out plants you have different nutrients being absorbed at different speeds and different roots growing differently therfore the spoil and water flow have to adapt and carry fresh nutrients to carry the constant changes that were going on in the soil.