Can you find me all of the names of to these definition

Which of the following guidelines should be followed if you have a large spill that is dangerous or beyond your ability to clean up? a) call emergency authorities b) try to keep it quiet so nobody panics c) if the material is flammable, get several buckets of water to dilute it with d) wipe up as much as you can with appropriate rags

What are the most populous and least areas of russia and why are some areas more heavily populated than others

How do the public-safety regulations protect workers ? regulations create advertising laws