None of the above. Neurotransmitters are chemicals like serotonin, norepinephrine and dopamine inside the brain and thus deal with the specialties of medicine, neurology and psychiatry. Hope that helps!
Answer:
Gold is primarily found as the pure, native metal. Sylvanite and calaverite are gold-bearing minerals. Gold is usually found embedded in quartz veins, or placer stream gravel.
Answer:
Composite resins are less brittle than ceramics but have greater wear at the edges so may not last as long as a bonded ceramic restoration. Composite resins are used when restoring teeth with minimal biting forces and can also be used as intermediate restorations when planning full mouth restorative cases.
Explanation:
Answer:
one-way, linear process in which a sender encodes a message and transmits it through a channel to a receiver who decodes it.
Answer:
According to kin selection, saving the life of your sister-in-law would do the LEAST for improving your inclusive fitness.