No.
No, you should not use photos from the deviantart website without permission. It is important to respect the copyright of the artists who created the images. Always ask for permission or look for images that are labeled for reuse.
You don't, you need to be 13+ to join Deviantart. . It automatically blocks all content containing nudity as when an image is submitted you can select that option. You then have to accept that you understand this to view the image.
DeviantArt is a site on the internet where you can share different types of art by signing up for the site to join the site and make new friends
Deviantart is 100% free to join. If you want to upgrade to premium membership which offers many more than the free one, it costs money. Other than that it's 100% free.
18. You can join at 17 but you need parental/guardian permission.
No.
Above 16 or 18. If you are younger.. You will need Parent Permission :\
To join the buisness you need to first purchase a vending machine, then call local businesses to request permission to service workforce.
You need to sign up with your parent's permission. You will have to get a medical exam first.
You have to get their permission before doing so, otherwise it's a copyright violation and it breaks the law.
If you do not have permission, or give credit to the origional artist, someone can report you and yes, you may be banned.
Pottermore has no age limit. Those under the age of 13 need to have their parent or guardians permission.