4 because it’s a triangular ruler
The atomic number for Neon is 10.
I do not see the info for the second part of the question
Researchers should carry out investigations on different platforms for providing PHRs, such as mobile phones, so as to complement PHRs.
<h3>What are PHRs?</h3>
PHRs is an acronym for personal health records and it can be defined as an electronic database (repositories) that are designed and developed to assist patients in accessing, managing and sharing their health information in a well-secured, private, and confidential manner.
Researchers carrying out experiments and investigations on different digital platforms that are used for providing PHRs, such as mobile phones, is a provision which should be included in a model privacy and security policy, in order to complement personal health records (PHRs).
Read more on personal health records here: brainly.com/question/15065417
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Answer:</h3>

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Explanation:</h3>
To remember this, remember that the F in Ctrl+F stands for “Find”.
Ctrl+H is a similar function called Find and Replace, which allows you to search for a value then replace all instances of it with a new value.
Ctrl+R fills from the selected cell(s) and to the right.
Ctrl+E activates the Flash Fil feature, which recognizes a pattern and fills in remaining cells automatically.