Answer: 8 planets
Explanation:
There are 8 planets in our solar system, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. There are 9 if you count Pluto, but it is most of the time not included.
1.) fracture
2.) specific gravity
3.) tenacity
4.) luster
5.) color
6.) streak
Answer:
In groundwater replenishment system in Orange County, CA, treated domestic sewer is injected into underlying aquifers using injection wells.
False
Explanation:
In the orange country's water treatment system techniques like micro filtration , and ultraviolet ( UV ) , reverse osmosis (RO) disinfection with hydrogen peroxide are used for purification . Generally at the source polluted water is first micro - filtered for the removal of small suspended particles bacteria , protozoa , and harmful virus from water . The water is then filtered via RO , which removes salts , pesticides , viruses and most organic compounds are passed in the presence of the forced water via thin plastic membrane , and in the final stage , the water is treated with hydrogen peroxide and UV light as a precautionary measure.
Answer:
one hour give and take a few minutes