Severity: Warning
Message: A non-numeric value encountered
Filename: features/new_header.php
Line Number: 9
Backtrace:
File: /home/wiredfa1/public_html/application/views/features/new_header.php
Line: 9
Function: _error_handler
File: /home/wiredfa1/public_html/application/views/learn/books.php
Line: 2
Function: view
File: /home/wiredfa1/public_html/application/controllers/Learn.php
Line: 210
Function: view
File: /home/wiredfa1/public_html/index.php
Line: 315
Function: require_once
Sponsor Area
The science branch involved with the substances that make up matter, investigating their characteristics and responses, and using such responses to form new substances.
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