A concentration is like a major â it allows you to specialize in an area of your choice. All Wharton students graduate with a bachelor of science in economics, but students choose focused areas of study called concentrations. 21+ Wharton concentrations, including an individualized option.
POTUS is the acronym for President of the United States. It is only used for the sitting President, so now refers to Pres. Trump. Probably used within the White House and Security Service for decades, it was explained and popularized on the show The West Wing. Note: This question initially asked why Pres.
humus. n. 1. (Biology) a dark brown or black colloidal mass of partially decomposed organic matter in the soil. It improves the fertility and water retention of the soil and is therefore important for plant growth. [C18: from Latin: soil, earth].