When humans touch something, nerve impulses travel to and from the brain at a rate up to ___?

How does the poem's mood and tone change in each of these stages of “o captain! my captain! ” by walt whitman? (i need an answer asap )

The town should regulate the height of buildings allowed on main street. this would be categorized as a: a. claim of fact. b. claim of policy. c. claim of cause and effect. d. claim of definition.

How has victor changed by the end of frankenstein