When astronomers measure the abundance of atomic elements in what appear to be isolated and untouched parts of
the universe, they always detect the same amounts of hydrogen and isotopes of helium and lithium. explain why these
observations are powerful evidence in support of the big bang theory.

it is easily magnetized.

dopamine..

"it was found that some people who were taking the drug l-dopa to raise their levels of dopamine were developing schizophrenic-like symptoms supporting research a strength of the dopamine hypothesis is that there are many studies which have shown support for the neurochemical explanation."