B uses radiation so I would assume it would be the one using x rays
Answer:
Here are some ways that you can conserve water on an individual level:
1. Consider the water footprint of your diet.
2. don't leave the tap running needless.
3. Choose and use your appliances wisely.
4. Convert your toilet to a dual flush and don't flush it more then necessary .
5. stop that leaky toilet.
Explanation:
also can you plz mark me as brainliest
anyway hope this helps :)
Hydrocarbons,polycyclic aromatic hydrocarbons
The results will most likely be valid because the scientists kept getting the same results after REPEATED experiments. If they just conducted one experiment then they would not have been sure if what happened was a fluke or if another thing would happen after another experiment.<span />
