The papillary muscles can adjust the shape of the lens. This gives the eye the ability to Focus on near or far objects
Discern the intensity of light
Reflect light away
Change the shape of the object being looked at (i. e. changing a square to a circle.

Are the earth's ocean floor and continents the same age geologically? why or why not?

Diego conducted an experiment to find out what kind of ball bounces the highest when dropped from a five-foot platform. he used a golf ball, a tennis ball, and a soccer ball. he dropped each ball from the balcony once. diego recorded his observations after each drop. what can diego do to best improve the reliability of his results? a) drop each ball from the platform three more times b) record his observations in more than one unit c) write at least two scientific questions after the experiment is complete d) share his results with other people who have done similar experiments you for the !

Tides that occur during the new and full moons