Where do scientists find most deep-ocean trenches?

Biomass can be used to generate electricity. biomass relies heavily on agricultural crops. plants release carbon dioxide and water in combustion. plants use photosynthesis to originally generate the energy that is needed. the chemical energy of these plants all started with what energy source?

Ineed with a hypothesis my question is can seeds sprout in different locations?

Darwin’s hypothesis about how life changes over time is now called?