Answer:
option D. continuous muscle spasms and convulsions
Explanation:
Sarin is an organophosphorus synthetic compound and is highly toxic. Sarin toxic is colorless and odorless. It act as a potent nerve agent and used as a chemical weapon. This toxic substance binds irreversibly with the enzyme acetylcholinesterase. This enzyme is responsible for degrading acetylcholine. The toxin interferes with the normal functioning mechanism of nervous system.
The organism poisoned by sarin could suffer paralysis, vomiting, continuous muscle spasms and convulsions. Thus, option D is correct.
One very common function of an antenna of an arthropod would be for sensory. It is used by these organisms mainly for touch. Also, other uses would be sensing the motion of air, heat, sound and as well as taste and smell.
A (m) is likely to be smallest