Help ASAP I’ll mark you as brainlister

In the explanation spot

Explanation:

CT and PET scans use something called a 'tracer' to look for disease and/or injury in the brain. Tracers are radioactive but help researchers identify any problems within the brain. As for the second question, altering the occipital lobe could cause potential blindness. Altering with the temporal lobe could reduce fear, violence, and loss of ability to understand a certain language. Hope this helped! :)

Update: I was able to use the answer feature. Let me know if you are confused!

d.

thist title points out that you are explaining the nature of the u.s. government. it is the most specific. a representative government consists of a government where decisions are taken according to a voting system. the most essential aspect of a representative government is found in the different structures where voting rights are granted to different groups of people. for example, voting for governor, mayor, president, local police chief etc.