When performing a Class I preparation for amalgam you generally penetrate the occlusal surface with the bur at a right angel to the facio-lingual plane of the occlusal surface of the tooth to be restored, which in most cases is the same as the long axis of the tooth. What posterior tooth is usually an exception to this rule

Cassandra made a venn diagram to compare and contrast the two stages of cellular respiration. which belongs in the area marked x? energy is released. oxygen is used up. glucose is broken down. carbon dioxide is used up.

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables

Which is the most likely reason the writer of the play pygmalion chose to change the character of galatea from a statue to working-class woman?