1.
ID this "nightmare".what are these equations known as?

2.
CONNECT

to Y,Yb,Tb,Er and also in some ways to Ho,Gd and Tm.....
3.
2003-stars and stripes
2004-biscuit and gravy
2005-marshmellow and yam
2006-flyer and fryer
what are we talking about???
happy quizzing
-mayur srinivasan