Answer:
For most space objects, we use light-years to describe their distance. A light-year is the distance light travels in one Earth year. One light-year is about 6 trillion miles (9 trillion km). That is a 6 with 12 zeros behind it!
Answer:
The correct option is Option B
Explanation:
We need to find examples of client-side code.
Client Side code: The part of code, that doesn't require server for performing specific task
SO, The correct option is Option B
Prompt for special characters in user name
Reason: We can use alert to generate prompt using JavaScript or through validation and it can be done on client side.
All other options, we need to hit the server to perform the task, So they are not client-side code.
Answer:
200 nm
Explanation:
We need a constructive interference to see the bright reflection
we know that
where m=1 and
is the wavelength of the gasoline
so 
putting the value of m and
in thickness equation

so the thickness of the film will be 200 nm
HTML is a very basic markup language and requires memorization of a few dozen HTML commands that structure the look and layout of a web page. Before writing <span>any HTML code or designing your first web page, you must decide on an HTML editor or text editor, such as Notepad or Word Pad.</span>
There might be insufficient storage space so your computer usually takes a longer time to load.The bigger your file, the longer it takes to load. So the solution is to clear up your storage space