Why could mars not hold onto its atmosphere?

Ahorse is how much percent more powerful than a pony

Me dangers of social media and the internetexplain what each means: 1) social media and phones have become an addiction.2) outside people have access to you all the time.3) cyberstalking4) cyberbullying5) catphishing6) viruses7) identity theft8) credit card fraud9) hacking10) money schemes

Which feature is selected to practice and save the timing of a presentation