Researchers at the University of Vermont created cow power; a method of converting manure into electricity. is it organic chemistry, inorganic chemistry, analytical chemistry, physical chemistry , and theoretical chemistry

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

Idont know. if you want an answer you need to give us some context dude.

The correct answer would be b) volume versus temperature, because they are also directly proportional.