A group of plant cells are placed in water an are kept in the dark. The cells eventually all die. Which option most accurately Describes why the cells died?

1. The cells did not have access to sunlight. The cells died when existing reserves of sunlight were used up.

2. The cells did not have access to oxygen to create carbon dioxide. it is carbon dioxide that fuels the cellular activities that maintain life.

3. The cells did not have access to carbon dioxide. The cells died when existing reserves of carbon dioxide were used up

4. The cells did not have access to sunlight to create more sugar. it is sugar that fuels the cellular activities that maintain life.