C: a different atomic mass
Answer:
When Microsoft switched to XML-based file formats in Office 2007, they added the 'x' to the file extensions to differentiate from the previous, incompatible formats such as dox to docx.
In other words. X is extended.
Answer:
words that are opposite to random is consistent, established, continuous, ordered, and stable. Another word would be "certain".
Explanation:
If you have any questions feel free to ask in the comments - Mark
Also when you have the chance please mark me brainliest.
Answer:
This is a Phishing email
Explanation:
Pierre has received a phishing email from a certain scammer. These kinds of emails are an attempt from the scammer to fool the receivers like in this case Pierre and get the personal and financial information that they can use to steal the money from their account. It's hence, a fraudulent attempt to steal the money from the account of a certain person like here it is Pierre.