En 1953, los científicos Francis Crick, de Gran Bretaña, y James Watson, de Estados Unidos, publicaron la famosa estructura de la doble hélice del ADN, en un artículo de apenas una página, en la revista Nature.
Answer:
Counting for 20 and multiplying by 3
Explanation:
BUT, in real life terms count the full 60 seconds. You never know what can happen in the other 40 seconds with their heartbeat.
It also can be due to depression. people ends up having a hard time and they just don't know what else to do. they end up taking the wrong path and try to hide this pain