How does a color change if you add more gray to it?

Leadership pwease 20 pts consider cedric's experience in the module 4 case study. how did he use leadership skills to improve his situation? respond in three to five complete sentences.

What is the name of the piece above?

Riddle me this: i am first in earth,second in heaven,appear two times in aweekyou can only see meonce in a year, althoughi'm in the middle of sea.what am i?