Hi there!
It can take years to remove all of the harmful substances from the water.
I hope my answer helped :)
Answer:
B.
Explanation: hope this helps
Benzene
Answer:
This isotope has 59 electrons giving it a charge of -2.
Explanation:
To find this we have to understand isotope relates to the mass of the nucleus. This isotope has 59 electrons to counter the protons and give it a negative charge.
The answer should be Pure substance