Question: How to reduce this type of change?
A. Soaking in cold water 
B. Exposing to sunlight 
C. Heating and drying 
D. Placing in a ventilated area
Clues:
1. The image shows potatoes that have been cut in half.
2. The interior of the cut potatoes shows dark, black or brown discoloration in the central part.
3. The outer flesh of the potato is a normal yellowish color.
4. The skin of the potatoes is intact and appears light brown.
5. There are multiple potatoes, some whole and some cut.
Answer: D
Category: Biology