Analyze how friction can be both a positive and negative aspect in our every day lives

Friction-Now a positive part of friction could be that it helps us from falling while we move about,friction also creates energy
A negative part could be that it produces heat that could damage different forms of machinery and also causes tear in the machinery

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 correct answer is c b c a d