Who was the first black prima donna soprano at the Metropolitan Opera, starring from 1961 to 2007, the first black singer to earn the top fee of
$2750 for each performance (second only to Birgit Nilsson who got
$3000), and winner of 19 Grammy awards?

The resting potential of a neuron refers to a. the electrical polarization of the inside and outside of the neural membrane. b. a brief electrical charge that travels down the axon. c. a capacity to reabsorb neurotransmitter molecules released into the synaptic gap. d. the storage of neurotransmitter molecules within synaptic vesicles.

Drop in child care facilities are required to be licensed

What is the power of 10 when 0.00503 is written is scientifically notation