Q: Fact 1: Astove is used for cooking by generating heat. Fact 2: Cooking is essential to make food palatable. Given the two facts above, what is essential to make food palatable?

Choose from:
1). organic molecules
2). eating
3). Generating heat
4). kinetic energy
5). the digestive system
6). hydrogen and oxygen
7). sound
8). plates
A:
3).