In trial #1, John pushes a lever 8 feet with a 10 pound force to lift a 40 pound weight a height of 2 feet. On trial #2, he does not use the lever, and must exert a 40 pound force to directly lift the same weight the same 2 feet. Which statement is most likely accurate?

volcanoes (an event in the geosphere) release a large amount of particulate matter into the atmosphere. these particles serve as nuclei for the formation of water droplets (hydrosphere). rainfall (hydrosphere) often increases following an eruption, stimulating plant growth (biosphere).

your spelling is a little off : ]