Answer:
A branch of science that starts with the letter "F" is Forestry.
Forestry is the science and practice of managing, using, and conserving forests and associated resources for human benefit in a sustainable manner. It involves the study of forest ecosystems, tree physiology and genetics, forest management techniques, and the conservation of biodiversity. Foresters work to ensure that forest resources are used responsibly and preserved for future generations, balancing environmental, economic, and social needs.
