Fact 1: Darkness has a negative impact on photosynthesis.

Fact 2: Carbohydrates in plants are formed by photosynthesis.

Given the two facts above, answer the question "What is produced less depending on the amount of darkness a plant receives?" with the following options: 
- Electrical energy
 - water vapor
 - Echinoids
 - organic molecules
 - activation energy
 - carbohydrates
 - Solar energy
 - prolactin release


 

      carbohydrates   