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.
Answer:
a. expected retaliation from competitors.b. the cost of substitute products.c. variable costs of production.d. customers' high switching costs.
colour
Explanation:
chromatography differentiate out parts of solutions as in the form of different colours
Answer:
A fact is an observation that is proven to be true, but in since there is a level of uncertainty. which means nothing is ever scientifically "true".
