An e-reader, also called an e-book reader or e-book device, is a mobile electronic device that is designed primarily for the purpose of reading e-books and digital periodicals. An e-reader is similar in form, but more limited in purpose than a tablet.-book reading is increasing in the US; by 2014 28% of adults had read an e-book, compared to 23% in 2013.
1 Ecology (pronunciation) â The study of the interaction of organisms with each other and with their environment.  Geobiology (pronunciation) â A science that combines geology and biology to study the interactions of organisms with their environment.
The branches of science (also referred to as sciences, scientific fields, or scientific disciplines) are commonly divided into three major groups: Natural sciences: the study of natural phenomena (including cosmological, geological, chemical, and biological factors of the universe) Formal sciences: the study of mathematics and logic, which use ...