Fact 1: Food consists of organic molecules that store energy in their chemical bonds. Fact 2: Food is the ideal source of nutrients. Given the two facts above, what consists of organic molecules that store energy in their chemical bonds?

Available choices: (1). source of genes. (2). source of information. (3). source of water. (4). solid, liquid, gas. (5). source of nutrients. (6). vegetation. (7). by making heat. (8). Organic compounds.
The answer is:
(5).