Smiling .. just makes people happier because smiling is a happy thin so u can start thinking happy and then it makes you happier ?? Idk that’s a guess
The best way is to add more security. It can be done by using different methods like strengthening passwords with numeric and character symbols. <span> A</span><span>void signing in laptops and computers that are not yours, so your accounts wouldn't be automatically saved. Keep your gadgets and computer free from viruses. Lastly, do not tell your emails and passwords to anyone.</span>
Answer:
2.9 x 106 kilowatt-hours.