Dopamine is a chemical released by neurons to send signals to other nerve cells. the brain includes several distinct dopamine pathways, one of which plays a major role in reward motivated behavior.
smoking is a habit, in a habit there is the cue, routine, and reward. with smoking the cue can be different things, most commonly stress or anxiety. the routine how you react to those cues, the reward is the chemical 'triggers' that are pulled inside you're brain leaving you feeling calm, happy, or relieved, etc.
Answer: Crickets chirp faster when the night is warmer.
Explanation:
(apex)
<span>a mature haploid male or female germ cell that is able to unite with another of the opposite sex in sexual reproduction to form a zygote. b.
</span>
Comets are most like planets have elliptical orbits
Answer:
<h2>
<em>photosynthesis</em></h2>
<em>in</em><em> </em><em>this</em><em> </em><em>process plants use carbon dioxide</em><em />
