Air is made up of 21% oxygen what is the other 78%?

Starch and are common polysaccharide carbohydrates found in plants. sucrose glycogen fructose cellulose

The peak wavelength for the blackbody curve of a star is in the uv range. assuming the radiation from this star can reach earth, would you be able to see it?

Consider the directing effects of the substituents on salicylamide and predict the possible structures of the iodination products. which do you think will be the major product?