Hello, can you guys help me answer question 5 & 6? I would apreciate it if you do! This is for marks and i now only have 10 minutes left so please do help me!:)

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 best discribes the relationship between wavelength and frequency in a electromagnetic wave

Ill give u brainliest pls how is mass of carbon conserved during cellular respiration