How does one’s sense of maleness or femaleness develop?

In which way does nicotine cause addiction? by stimulating the brain's pleasure center by increasing blood-sugar levels by decreasing dopamine levels by reducing depression and anxiety

Which of these is likely to be the best source of valid health information?

In the past week dylan, was laid off from work, was given notice he is in academic probation and was threatened to be evicted from his apartment. as a result, he has increased his usage of alcohol and cigarettes. which of these life skills would beneficial?