New scientific knowledge help the building of the Panama canal because there was a decrease of workers getting sick of malaria and yellow fever. It was Colonel Gorgas, the Chief Medical Officer, who have read about discoveries linking mosquitoes and malaria. Due to these readings, he succeed in eradicating the cause of the disease therefore a decrease in people getting sick.
All of these answers could be true, I know for a fact that A is true, could you give more context?
- Fresh Fried Fish Are My Favorite : Food
- Steak Smells So Savory
- Look At the Pretty Purple Petunias :Flowers
- The Sun Shines So Bright On the Sunflowers
Hope These Ideas Help