To create an image, the lens of an eye focuses light on the cornea
reflects light away from the retina
bends the cornea to correct vision
focuses light on the retina

Which of the following statements is not true? • a. covalent compounds have low melting and boiling points. • ob. covalent bonds between atoms of a compound are relatively weak compared to bonds between molecules. • c. covalent bonds occur between nonmetals. • d. covalent compounds are often gases or liquids.

Which of the following molecules is polar? c3h7oh c2h5cooh

An ice cube with a volume of 45.0ml and a density of 0.9000g/cm3 floats in a liquid with a density of 1.36g/ml. what volume of the cube is submerged in the liquid