A defining and extremely limiting trait of the Roman numeral system is that it lacks a character to designate the number 0. The system also has no way to represent negative or decimal numbers. This all goes back to the fact that Roman numerals were developed primarily to count and keep track of things for commerce. defining and extremely limiting trait of the Roman numeral system is that it lacks a character to designate the number 0. The system also has no way to represent negative or decimal numbers. This all goes back to the fact that Roman numerals were developed primarily to count and keep track of things for commerce.
Francisella tularensis is a common gram negative bacteria that is found throughout the United States, but is most commonly located in the central states (Missouri, Arkansas, Illinois, Oklahoma, Tennesee). This small microbe is the cause of a medical condition diagnosed as rabbit fever (Tularemia).
Telopea speciosissima - New South Wales native Waratah. The flower is as big as a coconut and grows on the end of a tall stalk. Photographed in the Blue Mountains west of Sydney Australia, along the Grand Canyon Loop Trail.