1. What is a balanced equation

Which organism develops breathing organism develops breathing organs from pharyngeal arches? shark, spider, sea star, sea horse

The point along a planet's orbit where it is closest to the sun is called the

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.