Methods used to reduce sulfur dioxide emissions from smokestacks are an attempt by humans to a lessen the amount of insecticides in the environment b eliminate diversity in wildlife c lessen the environmental impact of acid rain d use non chemical controls on pests

Theoretically, which metal should be the most reactive? hydrogen lithium francium fluorine

Compare and contrast physical changes with chemical changes.

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.