What is the understand portion of the mushroom called

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

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

How will the volume of a gas be affected if the pressure is tripled, but the temperature remains the same?