"C", "Maybe". The credibility depends on the websites contents and credentials. A website like a government's page is considered, "credible", because it is from a trusted source; the government. Whereas getting a random answer from Yahoo is considered less credible because of it not stemming from a trustable source. Hey, it's TeenSuicide.
Positive attitudes believing in yourself and preparing for bad times perseverance determination a positive mindset embracing failures as short term setbacks Setting smart goals and developing achievable strategies - then trying to attain them take sensible risks stepping out of their comfort zone