What do the meninges and the cerebrospinal fluid have in common?
Both help information pass through the spinal cord.
Both are involved in protecting the brain.
Both affect sleeping and waking patterns.
Both are involved in physical coordination and balance.

idk let me see fdfdgdg

one part of the electromagnetic spectrum that arrives on earth as solar radiation from the sun is the visible spectrum. wavelengths of the visible spectrum combine to form what we refer to as

answer - d) ultraviolet radiation.

violet /   380–450 nm / 668–789 thz

violet is number 1 in the chart of visible light.

whats the drop down answers ?

explanation: