Good scientific models can be tested and used to make predictions. What did Molina and Rowland's model of the interactions of CFCs and ozone
in the atmosphere predict would happen to the amount of ozone in the strato-
sphere as the level of CFCs increased?

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

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