Answer:
It could be because you where hack. Or there was something wrong with the site that stopped it from saying why it stopped.
Intensity is the brightness of a color. When a color is not mixed with any black or white it is at full intensity; Also called a pure hue. You can also change the intensity of a color by adding its complimentary color.
Hope this helps
have you tried www.khanacademy.org
Answer: Public
Explanation:
A top level class can have a public, as top level cannot be private and protected because the modifier private is not allowed. As, top level is a class which is not a nested class. Interface of a access modifier is either public or no modifier. There are two types of access control modifier are top level - public and member level- private, protected.