Answer:
This is a QR-Code
Explanation:
A QR code is a type of matrix barcode.
When you scan with a smartphone it should give/bring you to a link to give you access to a special link orphoto and ETC.
Answer:
A topic sentence must highlight the main idea of a paragraph, letting the reader know what the paragraph will be about. The topic sentence must present an idea that will unify the rest of the paragraph while relating it back to the main thesis of the paper.
Explanation:
