Q: Fact 1: Producers use energy and inorganic molecules to make food. Fact 2: Food preparation for retention of nutrients is included. Given the two facts above, producers use energy and inorganic molecules for what?

Choose your answer from:
(1). neutralizing threats
(2). dismissal of nutrients
(3). heat produced
(4). Transfers energy
(5). retention of nutrients
(6). decomposition
(7). agriculture
(8). iron in water
A:
(5).