Hi.
What's the difference between exposure to sth and contact with it?
Thanks in advance
From a literal point of view: Contact involves the touching of one solid surface to another. When a book is on a table, the book and the table are in contact . Exposure usually involves gaseous material like air, or possibly something liquid like water.
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From a literal point of view:
Contact involves the touching of one solid surface to another.
When a book is on a table, the book and the table are in contact.
Exposure usually involves gaseous material like air, or possibly something liquid like water.
Exposing iron to humid air creates rust.
CJ