Answer:
Your shoelace is untied.
Explanation:
Your is saying someone 'is'
You're means 'you are'
Answer:
the art or process of producing images by the action of radiant energy and especially light on a sensitive surface (such as film or an optical sensor)
Answer: a tool to help find the periodicals that contain articles on a particular subject.
A periodical index is a tool that contains the subject, author and keywords of a particular list of periodicals. This tool helps you find articles about specific topics. The way to look through an index is similar to that of looking for items in a library catalog.
Answer:
Continual, Continuing
Explanation:
The word periodic means something that is occurring occasional not often.
