ASAPP PLZ The light given off by an electric discharge through mercury vapor is . (1 Point)

of a single wavelength

a continuous spectrum

an emission spectrum

white light

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy

In november 1987, a massive iceberg broke loose from the antartic ice mass and floated free in the ocean. the chunk of ice was estimated to be 98 mi long, 25 mi wide, and 750 ft thick. a typical backyard swimming pool contains about 24,000 gallons of water. how many of these pools could you fill from the water in this iceberg? (assume the iceberg is a rectangular solid of the above dimensions and consists of water only). express answer in scientific notation.