Answer:
QR code
Explanation:
QR Code. Short for quick response code, which can also be called 2-D bar code, a QR code is a type of two-dimensional (2D) barcode that are read with the aid of a QR barcode reader or a camera-enabled smartphone with an inbuilt or installed QR reader software.
A QR code is capable of carrying information in both the vertical and the horizontal direction, which is the reason behind the name 2D barcode.
Answer:
Grass
Explanation:
When the wind blows grass or small plants start dancing (?)
<em>#</em><em>S</em><em>p</em><em>r</em><em>e</em><em>a</em><em>d</em><em>T</em><em>h</em><em>e</em><em>K</em><em>n</em><em>o</em><em>w</em><em>l</em><em>e</em><em>d</em><em>g</em><em>e</em>
Hey There!
A percent can be used in a filename.