Question

match the problems with their solutions.
people ate unpolished brown rice. people ate citrus fruits.
people treated cornmeal with limewater. people used cod liver oil.
problem solution
early explorers developed scurvy.
people during the industrial revolution developed rickets.
people in 1860s asia developed beriberi.
people in the american south developed pellagra.
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Explanation:

1. Scurvy is caused by vitamin C deficiency. Citrus fruits are rich in vitamin C, so early explorers with scurvy would eat citrus fruits.
2. Rickets is caused by vitamin D deficiency. Cod liver oil is a good source of vitamin D, so people during the Industrial Revolution with rickets would use cod liver oil.
3. Beriberi is caused by thiamine (vitamin B1) deficiency. Unpolished brown rice contains thiamine, so people in 1860s Asia with beriberi would eat unpolished brown rice.
4. Pellagra is caused by niacin (vitamin B3) deficiency. Treating cornmeal with limewater makes niacin more available, so people in the American South with pellagra would treat cornmeal with limewater.

Answer:

• Early explorers developed scurvy. : People ate citrus fruits.
• People during the Industrial Revolution developed rickets. : People used cod liver oil.
• People in 1860s Asia developed beriberi. : People ate unpolished brown rice.
• People in the American South developed pellagra. : People treated cornmeal with limewater.