UmAir.A

I'm a student and have a lot interests in studying SCIENTIFIC innovations as well as technology. And.....yeah! That picture is not on the internet. ;-)


343,378 students helped

Level 9 in Physics Level 5 in Chemistry Level 4 in Algebra Level 4 in Astronomy Level 4 in Geometry Level 1 in Trigonometry
35 Answers 5 Edits 82 Asked