1 You can also get sufficient protein from plant-based foods if you eat a variety of them throughout the day. 2  Plant sources include soy products and meat substitutes, legumes, lentils, nuts, seeds and whole grains. 3  Vitamin B-12 is necessary to produce red blood cells and prevent anemia.
Learner's definition of LECTURE. [count] 1. : a talk or speech given to a group of people to teach them about a particular subject. a lecture about/on politics. She's planning to give/deliver a series of lectures on modern art. Several hundred people are expected to attend the lecture.
Presentation is defined as the act of formally giving something to someone or of formally demonstrating or showing something. An example of presentation is when an assembly is hosted to give out an award. An example of presentation is the pleasant way food is arranged on a plate. An example of presentation is when a salesman holds a conference to show all his clients a cool new product.