Oxidation of iron, also known as rusting, will do the trick. ... www.sciencebuddies.org/science-fair-pr... - 32k - ) Experiment from website: Objective The goal of this experiment is to measure the percentage of oxygen in air samples. Introduction We live near the bottom of an ocean of air that surrounds the earth.
Brinly's high-performance 40 in. Tow-Behind Plug Aerator is the perfect tool for achieving and maintaining a healthy, vibrant lawn. The 24 heat-treated 16-Gauge steel tines penetrate the soil up to 3 in. deep, allowing water, seed and nutrients to reach your lawn's root system.
By definition, an aerator adds air. Put one on the end of your faucet and it will add air to your water flow. If you have ever run a faucet without an aerator, you realized the purpose of an aerator. Without one, water sprays out with unpleasant force and causes splashing. Mixing air into the flow of water produces a steadier, more stable stream.