An isotope of an atom is a neighbour atom but which has more or less neutrons
an ion is when that atom has more or less electrons therefore giving an imbalance in the structure
hope this helps!
Where is the other statements
I can only find 2, I hope this helps
-To deliver oxygen to the cells of the body's tissues and remove carbon dioxide.
- The lungs also remove carbon dioxide from the blood. If carbon dioxide built up in a body, death would result.
UV exposure that leads to sunburn is proven in developing melanoma, the most dangerous of the three most common types of skin cancer.
