Answer:
it means something that is bare like for example your "bare" hands
Explanation:
its a word with a meaning that i know. but i haven't read the poem.
Rice. It feeds half the world and is an enormous staple in diets.
If a number has 5 as it's last digit, it's always divisible by 5: multiples of 5 have either 5 or 0 as the last digit.
If a number is divisible by 5, it is not a prime with one exception: of 5 itself. This is from the definition of prime numbers: divisible only by 1 and by itself.
The cerebral cortex is responsible for cognitive function, thoughts. My best guess would be letter C.