Question

social media is addictive because it incorporates small actions like getting a friend request that give your brain...
measles
dopamine
oxytocin
seratonin

Explanation:

Social media actions like friend - requests trigger the release of dopamine in the brain, which is associated with reward and motivation, making social media addictive. Measles is a disease, oxytocin is related to social bonding in a different context, and serotonin is related to mood regulation but not as directly to the addictive aspect of social media as dopamine.

Answer:

Dopamine