Nerve agents, blister agents, blood agents, choking agents, and riot control agents are all examples of: (1 point)
a. biological weapons
b. chemical weapons
c. vesicants
d. tear gas

They are all examples of chemical weapons which can cause adverse side effects on exposure to humans.

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

Particle exchange energy though elastic collision , hope this .