Answer:
The largest anthropogenic source of CO in the United States is vehicle emissions.
Explanation:
Answer:
To find the number of neutrons, subtract the number of protons from the mass number. number of neutrons
Explanation:
Fractional distillation is a method for separating a liquid from a mixture of two or more liquids. For example, liquid ethanol can be separated from a mixture of ethanol and water by fractional distillation. This method works because the liquids in the mixture have different boiling points.