The correct answer is letter B
Explanation: This technique is very common and consists of selecting a population sample that is accessible. That is, the individuals employed in this research are selected because they are readily available, not because they were selected using a statistical criterion.
Because mobile apps are exposed to viruses and they can take over your mobile device opening it up to malicious people who want your goodies
1996, to reduce STDs and unwanted pregnancies
Explanation:
After the crash, Hoover announced that the economy was fundamentally sound. On the last day of trading in 1929, the New York Stock Exchange held its annual wild and lavish party, complete with confetti, musicians, and illegal alcohol. The U.S. Department of Labor predicted that 1930 would be A splendid employment year. These sentiments were not as baseless as they may seem in hindsight. Historically, markets cycled up and down, and periods of growth were often followed by downturns that corrected themselves. But this time, there was no market correction; rather, the abrupt shock of the crash was followed by an even more devastating depression. Investors, along with the general public, withdrew their money from banks by the thousands, fearing the banks would go under. The more people pulled out their money in bank runs, the closer the banks came to insolvency.
