Answer:
1 they speed up to change the rate
Explanation:
please mark me as brainliest answer
Answer:
I think it’s C Empirical & Measurable Evidence
Explanation:
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Cocaine induces a sense of exhilaration by increasing the availability of dopamine and serotonin in synapses. Cocaine is among the powerful stimulants which increase the release of neurotransmitters such as nor-epinephrine, dopamine and serotonin, that affect CNS and PNS activity. Cocaine administration constricts blood vessels that are absorbing it, son snorting it is a slow way to deliver it to blood stream and eventually the brain.
C) Valence electrons may be lost or gained by an atom when bonding occurs with another atom
