Which technology is NASA developing that will help astronauts reach Mars? Corona Freedom Orion Skylab

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

Identify and describe the three ways that mutations affect organisms.

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