Fossil fuels are hydrocarbons, meaning they are composed primarily of carbon and hydrogen. When fossil fuels are burned, carbon dioxide (CO 2) and water (H 2 O) are the principle chemical products, formed from the reactants carbon and hydrogen in the fuel and oxygen (O 2) in the air.
Yes: Visine has a vasoconstrictor medication that makes the blood vessels of the eye constrict to decrease the appearance of redness of the eyes. This decreases blood flow to the conjunctivae of the eyes.
A chemical burn can occur in a number of ways but is most often the result of a liquid splashing into the eye. Many chemicals, such as soap, sunscreen, and even tear gas, are primarily irritants to the eye and do not usually cause permanent damage.