Dirt FAQs:

Q: Is dirt unclean matter?

A: Yes, and especially when in contact with a person's clothes, skin or possessions when they are said to become dirty.

Q: Is dirt streaks and detritus that may be removed by ordinary daily cleaning?

A: Yes.

Q: Is dirt ingrained stains or physical damage to an object?

A: Yes, and which require major renovation to remove.

Q: Is dirt that which results from design decisions such as decor in dirty orange or grunge styling?

A: Yes.

Q: Was dirt sponsored by the Wellcome Trust in 2011?

A: Yes.