The cerebral cortex is divided into two halves called cerebral hemispheres. Each cerebral hemisphere has three lobes, the parietal lobe, the frontal lobe, and the occipital lobe.

False on edge

Explanation:Each cerebral hemisphere has four lobes, not three

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.