To get more land and start a new life
Answer:
Cerebral Hemispheres
Explanation:
Aida Gómez-Robles, an anthropologist at The George Washington University, and her colleagues compared the effect of genes on brain size and organization in 218 human and 206 chimpanzee brains. They found that although brain size was highly heritable in both species, the organization of the cerebral cortex—especially in areas involved in higher-order cognition functions—was much less genetically controlled in humans than in chimps. One potential explanation for this difference, according to the researchers, is that because our brains are less developed than those of our primate cousins at birth, it creates a longer period during which we can be molded by our surroundings.
reference:https://www.scientificamerican.com/article/what-makes-our-brains-special/
Lack of tree covers is answer a
Answer:
D. constantly exhausted.
Explanation:
Mental health issues like high stress, depression and other such issues can have both mental and physical symptoms. However, feeling emotionally exhausted can have a clear impact on mental and physical state of a person. Emotional exhaustion could be a result of high stress and depression and can result in loss of motivation. It can also make the individual feel physically fatigued. Hence, Steve can use the term 'constantly exhausted' for describing his physical and mental state if he is in depression or state of excessive stress for a prolonged period of time.
