There are four types of sounds that the cochlea produces: 1  Spontaneous acoustic emissions - the cochlea produces these sounds spontaneously (not in response to another sound). These only occur in approximately 40-50 percent of people with normal hearing.
Discovery Green. Discovery Green is a public urban park in Downtown Houston, Texas, United States. Opened in 2008, Discovery Green 11.78-acre (47,700 m2) is located on Avenida de las Americas across from the George R. Brown Convention Center and the Hilton Americas Hotel, adjacent to Toyota Center.
Discovered in Book 2, Chapter 9, The Writing on the Wall. Lavender Brown is a second-year Gryffindor student. She listens eagerly to Professor Binns when he begins telling the Gryffindor History of Magic class about the Chamber of Secrets..