The best example of diffraction is the image of a) your face as it appears in a mirror. b) a pencil that appears broken in a glass of water. c) a ring around the sun caused by particles in the air. d) a fingerprint that appears to be enlarged under a magnifying glass.

Phase changes are chemical changes. true or false

Explain to someone who knows nothing about fossils the study of invertebrate paleontology and how it scientists understand the history of the earth. be sure your explanation contains a minimum of two complete sentences.

Aturntable a is built into a stage for use in a theatrical production. it is observed during a rehearsal that a trunk b starts to slide on the turntable 10 s after the turntable begins to rotate. knowing that the trunk undergoes a constant tangential acceleration of 0.31 m/s2, determine the coefficient of static friction between the trunk and the turntable.