Natural Selection.
♣Amaranthine
Answer: uhm can u explain what ICT is so i can understand the questions pls when i whould gladly help :)
Explanation:
Envelope - a flat paper container with a sealable flap, used to hold a small letter or document.
letterhead - a printed heading on stationery stating a person's or organization's name and address. A letterhead is very important when it comes to businesses.
Hope this helps! =D
the answer to your question is ".docs"
