There were 270*100/30 = 900 total finishers. 90% completed the marathon, so 900*100/90 = 1000 began the marathon. 1,000 runners total.
Answer:
Explanation:
Answer: reverse osmosis because it requires low maintenance, and removes all contaminants such as bacteria and chemicals.
The water filtration technology they should install in their house is reverse osmosis because it requires low maintenance, and removes all contaminants such as bacteria and chemicals.
Reverse Osmosis Systems have a totally excessive effectiveness in doing away with bacteria (for example, Campylobacter, Salmonella, Shigella, E. coli); Reverse Osmosis Systems have a totally excessive effectiveness in doing away with viruses (for example, Enteric, Hepatitis A, Norovirus, Rotavirus).
How does reverse osmosis work ?
Reverse osmosis works through shifting water via a semipermeable membrane to filter and flush away any contaminants. Reverse osmosis structures are quality appropriate for home use and offer a surprisingly green manner to purify your ingesting water at home.
In a cool unstable environment
89.9 percent of dogs are treated by a regular veterinarian if that’s what you mean
Cinammon toast crunch with milk accompanied by a spoon and bowl
