Yes it can
The opposite is outdoors.
Indoor, although it originated outdoors.
No
They can, though rough surfaces may wear them down quickly.
any ball could be used outdoors,but the softer leather of indoor balls usually does not stand up long against concrete and pavement
No, it's an indoor mall.
outdoors
Indoor footballs are actually typically more resistant than outoor footballs. They're smaller and have thicker rubber.
"As far as the stand up smoking receptacles, they are primarilly used outdoors, but they do make some indoor, wall-mounted receptacles as well." The smoking receptacles are normally made for outdoor use.
Superscapes - 2009 Doubling the Indoor Living Space Outdoors was released on: USA: 9 August 2009
Rock climbing can be done indoor and outdoors by climbing on rocks.