Look at the image of a company’s advertisement. The colored bars signify their spending in education, community service, environmental care, and marketing. The green bar shows its yearly spending on environmental care. What kind of appeal is the company making by highlighting its spending on environmental care? a 3D graph with four colored bars

The gregorian chant was a major cultural milestone in the middle ages. it was one of the first codified forms of music meant to be played as written, where previously it was difficult to mass-produce and disseminate any music. what's more, these chants were also some of the first examples of musical notation: the notes and bars of today's music sheets are a reflection of centuries of evolution beginning with these chants. it became official throughout the entirety of the catholic church, meaning that nearly all of europe followed this musical notation and styling.

What are the choices?