Pick three properties of water that you think are the most important for life to exist. Explain how that property works in nature and why it is one of the most important properties to sustain life.

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later

What? i don’t understand

Combustion is the act or process of burning. therefore, i believe the answer is  a: burning wood.