An income tax is a tax imposed on individuals or entities (taxpayers) in respect of the income or profits earned by them (commonly called taxable income). (https://en.wikipedia.org/wiki/Income_tax)
Geomorphology is the study of the processes that shape the earth’s surface or landforms. (NIWA, 2016 Glossary of terms : Geomorphology https://niwa.co.nz/sites/niwa.co.nz/files/Sediment04_07Glossary_of_terms_0.pdf)
