The chemical name for laughing gas is dinitrogen oxide. the two elements found in a sample of this gas is and .

29.1-12=17.1the answer is this one

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

The air is going to come out because of the low pressure.

Cause its being chemically applied?