A biodiversity
Hope this helps
Consciousness refers to a state of awareness or alertness in which the subject is cognizant of one's environment and self. It allows people the awareness to selectively focus on certain stimuli.
The following statements does not describe a key feature of consciousness: C. Consciousness is permanent. In contrast, consciousness is not permanent because consciousness is dependent upon the functioning of the brain.
I could be wrong I’m not very smart but I think it’s b
Answer:
I feel it's to easily differentiate the positive from the negative...... like in gram staining of bacteria, the colour tell us which bacteria is gram positive or gram negative...... I just feel that this is science and it is advisable to know what the opposite result of an experiment should look like.