Alcohol,nicotine, and caffeine.
Early changes in the brain during exposure to addictive drugs involves the insertion of AMPA receptors into neuron membranes located within the VTA. AMPA receptor is an ionotropic transmembrane receptor for glutamate that is responsible in mediating fast synaptic transmission in the central nervous system. They provide initial depolarization that ultimately results in NMDA receptor activation.
Answer:
movement of rocks in layers of inner earth
Explanation:
bcz the movement of rocks in layers of earth cause earthquake
PH of water is 7 I hope the answer is correct ehe
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