Email is the electronic mail that can send and receive messages through the net. An icon used for the file attachment in the mail is a paper clip.
<h3>What is the paperclip icon in the mail?</h3>
Icons are the symbols used for the representation of the activities in the message bar of the email. In the mail, a paperclip is used to represent the attachment for the files.
The Attachment icon allows linking the files from the system in the mail to send. The files can be docx, pdf, png, jpg etc.
Therefore, the option A. paperclip icon is used to indicate an attachment in mails.
Learn more about the paperclip icon and email here:
brainly.com/question/17854423
<span>Minerals are solids.
That is because when water freezes into ice it becomes a mineral, since it's a solid at that time.
</span>
<span>Although waves in the ocean are typically caused by wind, that is not the case with tsunami. The disturbing force that produces conditions for a tsunami is typically from an earthquake.</span>
Amino acids are acids on one hand, and a base on the other hand.
<h3>What is an acid?</h3>
An acid is a substance that produces hydrogen or hydroxonium ions as the only positively charged ion when it ionizes.
All amino acids have an amine group -
and a carboxylic group -
.
The carboxylic group ionizes such that:

The presence of the amine group enables amino acids to also act as a base.
More on amino acids can be found here: brainly.com/question/14583479
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