What role could energy have played in forming the black sand on the beach?

Which mathematical relationship should you us to convert moles of a substance into grams

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

Which best describes how johannes kepler developed his laws of planetary motion