The negative velocity numbers in the above graph represent a galaxy that is moving away from us.
Definitions:
Glutamate
A major neurotransmitter in the brain involved in learning, memory, and the regulation of the nervous system's excitatory signals.
Brain
The organ located in the head of an organism that controls most of the activities of the body, processes sensory information, and is the center of thought and emotion.
Endorphins
Neurochemicals produced in the brain that act as natural painkillers and also boost feelings of pleasure or well-being.
Pain-Controlling Chemicals
Biological substances produced by the body, such as endorphins, that help to naturally relieve pain.
Q18: How does the solar nebula theory explain
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