Nicolaus Steno was a Danish geologist who gave two geological principles. 1. Principle of Original Horizontality - This principle states that sediments are deposited in the form of horizontal layers under the action of gravity. 2. Principle of Lateral Continuity - It states that the layers of sediments are deposited laterally in all directions in a continuous manner over the Earth's surface.
Nicolaus Steno set down two geologic principles, they are: 1. Principle of original horizontality: it states that layers of sediments are originally deposited horizontally under the force of gravity. 2. Principle of lateral continuity: it states that layers of sediments initially extend laterally in all directions. These two principles are important in the analysis of folded and tilted strata.<span />
The hemoglobin molecule has four binding sites for oxygen molecules: the iron atoms in the four heme groups. Thus, each Hb tetramer can bind four oxygen molecules.
