While state requirements vary on the number of instructional days and/or hours in the school year, the majority of. states require 180 days of student instruction. Most also specify the minimum length of time that constitutes an. instructional day.
Media Mix. Definition: Media Mix. Media Mix refers to the combination of advertising channels that is used in the promotion of a particular good or service. The idea is to choose the right combination to communicate with the audience and make an impact as estimated in the media planning strategy.
Complex media is composed of organic materials that are not chemically pure and not specifically identified chemical components. Examples include Nutrient Broth/Agar, Tryptic Soy Broth/Agar, and Blood agar. What is enriched media and give an example. Enriched media is composed of general purpose media that has something added to help fastidious bacteria (those that require specific nutrients in order to grow - Picky Eaters) to grow better. Examples include Blood Agar, Nutrient Broth with Yeast Extract.