Umm water or water? I would say water.
A combination of vinegar and salt, or a paste of baking soda and water, can help clean a penny by removing dirt and tarnish. Gently rubbing the penny with either of these solutions can improve its appearance.
Yes, vinegar can be used to clean a penny. The acidic nature of vinegar can help dissolve and remove built-up grime and oxidation on the surface of the penny, restoring its shine. Simply soak the penny in vinegar for a few minutes, then gently scrub with a soft cloth or toothbrush to remove any remaining dirt.
yes penny is better!
Fresh water supplies can be cleaned up by the water cycle
Make a paste with baking soda and water, scrub with soft toothbrush and rinse-that is better.
Fresh water supplies can be cleaned up by the water cycle
How water moves through out our atmosphere and is cleaned
Dish soap is more effective at cleaning a penny than water alone. Dish soap can break down oils and dirt on the surface of the penny, allowing for a more thorough cleaning compared to just using water.
A lemon cleans a penny better.
coke cleans penny better
Not really, the better expiriment would be if you used both sides of t he penny and compare all of your trials.
When you put a penny in water, its density is greater than that of water, so the penny sinks. This is because the weight of the water displaced by the penny is less than the weight of the penny itself.