I believe the answer is: <span>positron emission tomography (PET)
To use PET scan, the medical professional need to inject the patient with radiotracer for imaging purposes.
</span><span>positron emission tomography (PET) is used to observe/analyze the metabolic process in our body as a form of diagnostic tools</span>
Pay taxes
XD have a great day;)
True cus they're the ones who either grant access to/restrict actions
Explanation: A smart professor is presumed to have sufficient experience in terms of contribution from each of the project participants, as well as sufficient experience in human vanity. This means that it is smart and painless for a smart professor to request reliable information and details about achievements at every stage of the project from young, aspiring and furious colleagues. Reliable details will accurately demonstrate the contributions of both young colleagues, while their personal evaluation of achievements can always highlight their own efforts and merits, while the same efforts and merits of the other may be neglected.
