Four friends were talking about how matter and energy move through an ecosystem. this is what they said: will - "i think only energy cycles through an ecosystem." mike - "i think only matter cycles through an ecosystem." dustin - "i think both matter and energy cycle through an ecosystem." lucas - "i think neither matter nor energy cycles through an ecosystem." which friend do you most agree with? explain your thinking.

what is your question? collegechemistry 5+3 pts 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.