It is C beacuse you would produce large quantities of the neurotransmitter to see if it could be used as a potential medication.
A). Calculation: Given mass of Au * 1mol of Au/molar mass of Au= # of moles
;
57.01 g Au*1 mole of Au/196.97g Au=0.3 moles of Au. So the answer is 0.3 moles of gold(Au). Good luck on the rest, and message me on Brainly if you need more help. I'll be happy to.
Displacement is shortest distance from starting point, 4km.
The answer is: c because the rate that these consumers convert the chemical energy to their food into their own biomass
