Answer: Bar codes
Explanation:
A barcode is a way of representing data in a machine-readable and visual form. In the past, barcodes illustrated data by placing the parallel lines at intervals and altering the widths. Nowadays, barcodes known as one-dimensional (1D) or linear are scanned by optical scanners. Also, the two-dimensional (2D) barcodes were manufactured using dots, rectangles, hexagons and some geometric patterns, known as matrix barcodes. Barcodes are used for the tracking of products.
Answer:
I believe that the answer is option A
Answer:
as they prevent further spreading of the virus. vaccinations create phagocytes which will ingest the virus cells. and self isolation will prevent the virus (which are droplets) from passing onto one another.
Answer:
C
Explanation:
As unsold items end up being stale and get wasted , it is good for a business to avoid such as much as possible in order to maximize profit.
The customers buying pattern can easily reveal what they prefer to buy and what they do not buy . This can serve as a guide to the producer in what to sustain or increase producing and what to reduce or eliminate in the production line so as to maximally control the level of waste generated due to outdated or unsold stock.