The answer is decay. Decay is the principal natural means of recycling solid waste.
B) school psychiatrist
psychiatrist evaluates mental issues,diagnoses and gives prescriptions for drugs. yay drugs.
Pacer for sure you just got to trust me on this one
D. Procrastination - to delay or postpone an action or activity.
An agonist will active receptors, causing a physiological response. (Pretty much, it acts like a neurotransmitter). On the other hand, an antagonist will BLOCK a receptor, preventing a neurotransmitter from binding on that receptor, therefore blocking a physiological response.
Agonist --> acts like a neurotransmitter and elicits a responseAntagonist --> BLOCKS a neurotransmitter by binding on to the receptor, therefore blocking a response.