What is a major source of calcium and sodium in oceans? a) air pollutants b) gases from active volcanoes c) minerals dissolved in aquifers d) weathering and erosion of rocks

What are transitions between a liquid and a solid called? identify which way they are transitioning

Which of the following substances is the most soluble in water? a. sodium chloride b. methane c. bromine d. carbon

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.