Fact 1: Mollusks are a major food source for other organisms, including humans.

Fact 2: Seafood, such as mollusks and crustaceans, can be a source of cadmium, as well.

Given the two facts above, answer the question "What is seafood used for?" with the following options: 
- edible
 - health
 - Composting
 - warmth
 - Hydration
 - Energy
 - Food
 - Reproduction


 

       Food  