Anyone know what this says? My friend sent this to me and i'm confused.

Why should emoticons and abbreviations be used sparingly in business e-mails? a.they lack formality. b.most people aren't familiar with all the emoticons and abbreviations. c.it's better to clearly state emotions and messages. d.all of the above

About the size of pickup trucks from where you're floating, the organelles called mitochondria convert energy from your food into adenosine triphosphate, or atp, to power biochemical reactions. a typical cell burns through 1 billion molecules of atp every 1 to 2 minutes." summarize this pleas and aspa i will give brainless

What is the potential danger from an accident at a nuclear power plant? a) fire and large scale explosions b) exposure to radiation c) meltdown of the plant and surrounding community d) entire cities could be wiped out