Answer:
3: A device that uses radioactive fluid to determine the active areas of the brain
Explanation:
A positron emission tomography (PET) scan is an imaging test that helps reveal how your tissues and organs are functioning. A PET scan uses a radioactive drug (tracer) to show this activity. This scan can sometimes detect disease before it shows up on other imaging tests.
Depending on the type of exam, the radiotracer is injected, swallowed or inhaled as a gas. It eventually accumulates in the area of the body under examination. A special camera or imaging device detects radioactive emissions from the radiotracer. The camera or device produces pictures and provides molecular information.
(A)Helicase is that enzyme...
Answer:
While researchers have discovered that there are an excessive number of receptor sites for dopamine, it is not the only neurotransmitter involved in schizophrenia.
Explanation:
Answer:
The distribution of water on the Earth's surface is extremely uneven. Only 3% of water on the surface is fresh; the remaining 97% resides in the ocean. Of freshwater, 69% resides in glaciers, 30% underground, and less than 1% is located in lakes, rivers, and swamps.
Explanation:
I don’t think it would change the effectiveness , if bees got used to it or it had always been like that, they wouldn’t have a problem, but if it was a sudden change then they might dislike it
