Some microphones are called "boom microphones" because of the large, "booming" sound they produce

Identify some of the cultural achievements of Spanish Jews beginning with the Umayyad caliphs, and explain their relationship to Spain’s Muslim rulers

Please provide the best answer for the statement.

Dead track refers to

A. the complete absence of sound in a film scene. B. self-consciously long pauses in dialogue in a movie scene. C. a scene whose soundtrack had to be discarded for technical reasons and then re-recorded. D. a scene with no dialogue or music, just sound effects.