How do galaxies exist in the universe

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

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

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.