Which parts of the brain make up the diencephalon?
limbic system and cerebral cortex
brain stem and cerebellum
pituitary gland and occipital lobe
thalamus and hypothalamus

The diencephalon consist of the thalamus and hypothalamus

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.