Nebular Supernova – Crab Nebula. The Crab Nebula represents a violent supernova explosion of a star (likely a third, fourth, or even later-generation star). Heavy elements with atomic weights greater than 26 (and some with lesser atomic weights between oxygen and iron) were likely generated during this explosion. Which element probably formed in a supernova? You may want to refer to a periodic table. Choose one: gold (Au) carbon (C) hydrogen (H) helium (He)

Which of the following is an example of a policy that may be implemented by a business that has trouble with employees using the internet for their own personal needs? a. all employees will have to take a safety training class. b. employees caught using the internet for personal needs will have to take a professional development class. c. personal interviews will be conducted to find out who is using the internet for personal needs. d. employees will be monitored, but nothing will happen if their employer catches them using the internet for personal needs.