Please help with 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

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles