a python is a snake not a launguage
O is the weakest hydrogen line
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To make a search term more accurate, you must keep it simple and you must be able to use more specific terms. The more specific you are with what you are asking the engine about, the more friendlier it will respond.
The answer is Option B. I hope this answer helped you!
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 & explanation for this question is given in the attachment below.