The critical angle of zircon is 31º. Which of the following incident angles 1 point
would result in total internal reflection?
21°
44°
13°
31°

How many neutrons does element x have if it’s stormy umber is 33 and it’s mass number is 95?

Road users moving into your lane, brake lights, and abrupt changes in road surface are a. rare at night b. indicators of potential hazards c. not worth worrying about before you reach them d. no problem for experienced drivers

Which best describes what forms in nuclear fission? a. two smaller, more stable nucleib. two larger, less stable nucleic. one smaller, less stable nucleusd. one larger, more stable nucleus