Answer:
thire is no grup 13 in modern periodic table
Answer:
Explanation:
La tegnologia se va asiendo vija mientras nosotros crecermos en la edad. PERO sale nueva tegnologia y es por eso que desimos solo a lo nuevo.
Answer: Nitrogen; fixation
Explanation:
Nitrogen is a naturally occurring element that is essential for growth and reproduction in both plants and animals. It is found in amino acids that make up proteins, in nucleic acids, that comprise the hereditary material and life's blueprint for all cells, and in many other organic and inorganic compounds.
Fixation consists of two steps: cessation of normal life functions in the tissue (killing) and stabilization of the structure of the tissue (preservation). The goal of fixation is to preserve structure as faithfully as possible compared to the living state.
