<br> or <br/>
The forward slash can be omitted and still function perfectly fine, unless you are working with XHTML (XML), then do include the forward slash.
It's your personal preference on which one you use, but be consistent! I personally prefer the latter.
Answer:
Yes.
Explanation:
I'm pretty sure you can get in trouble for copying things on that site. But, I don't think you'll get banned or anything like that, maybe at worst, you'll upset a few people (like the person who copied from).
Atomic mass will be the answer according to your question .
For ex - atomic mass of oxygen is equal to 8+8 I.e. 16
Hope u understand by this
You need to wait, it isn't the website that ranks you, but actual people on the site. Just wait, have patience.
Explanation:
A path represents a selected editing area of an image, this feature is typically available when using Adobe Photoshop software.
For example, a photographer may select the entire face area of his subject as his path (work path). To know when it is filled the photographer observes to see when the colour changes or other changes are applied to the background layer of the selected path.