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!

usually, however, secession was popular enough without the of community leaders. prominent unionists, on the other hand, were a major reason that texas did not secede before march 1861. the most important of these was sam houston, the governor of the state from 1859 to 1861.

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