What is the relationship between the molecular mass and the molar mass of a substance?

Iwll give extra points to who gets this for ! what type of reaction is this? ?

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 of these features are formed when hot groundwater is forced out through cracks in the earth's surface?