Question:
-energy required for life mostly comes from

choices:
-nuclear energy
-solar energy
-geothermal energy
-potential energy

Solar Energy because the sun gives radiant energy to plants to make food which makes oxygen in the process.  

Hope this helps you. ☺

answer; ///i believe the correct answer is (aids) acquired immune deficiency syndrome;

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).