________ is not a FOSS tool.i. Libre Officeii. Mozilla Firefoxiii. Google Chromeiv. Python

To determine which tool is not a FOSS (Free and Open Source Software), we need to evaluate each option:

i. Libre Office: Libre Office is a FOSS tool. It is a free and open-source office suite that includes programs for word processing, spreadsheets, presentations, and more.

ii. Mozilla Firefox: Mozilla Firefox is also a FOSS tool. It is a free and open-source web browser that is known for its privacy features and customizable options.

iii. Google Chrome: Google Chrome is not a FOSS tool. While it is a widely used web browser, it is not open-source and is developed by Google as proprietary software.

iv. Python: Python is a programming language and not a specific tool. However, Python itself is a FOSS tool. It is an interpreted, high-level programming language that is widely used for various applications.

Based on the options provided, the tool that is not a FOSS tool is Google Chrome (iii).