Question: Visual signs of spoilage for fruits and vegetables?
Disambiguated questions and answers: question: Visual signs of spoilage for fruits and vegetables due to loss of water and carbon?
Visual signs of spoilage for fruits and vegetables due to chemical reactions?
answer: leaching by water
physical breakup or fragmentation
Browning
Natural Questions answer: change in texture
change in color
mold (from the Wikipedia article "Food spoilage")