An r-410a system with a 25-foot lift will have a pressure drop of at the top of the column

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 are the first three quantum numbers for the electrons located in subshell 2s?

Fossil fuels are organic compounds that are made from