Which part of the eye refracts light and focuses it on a single spot? cornea

retina

iris

pupil

According to piaget, children have acquired the cognitive skill of conservation when they're able to a. understand that six ounces of liquid in a jar and six ounces in an elongated tube are equal. b. understand the viewpoint of other people. c. relate objects around them to their own needs. d. realize that the term heavy describes an object one way and the term big describes it another way. it is not b nor c. did this 2 x wrong..

Do you think the gene eef1 alpha1 supports cell theory? explain your response.

Most of the carbon on earth is stored in the form of