How are the building blocks of organic molecules like bricks

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution

Which of the following shapes would represent a molecule with two bonded atoms and 3 lone pairs on only one of them , trigonal planar , bent , trigonal pyramidal , linear