Seamount and guyot are types of mountain - so we can reject those options, since we're looking for a flat surface, not a mountain.
A trench is a narrow ditch, or depression so also it's not a plain
The correct answer is abyssal plain - it's a plain typically next to a continental rise (leading to the continent) and a mid-ocean ridge.
Renewable energy: Biofuel, tides, waves, geothermal
Non-renewable energy: Hydrocarbons, gas hydrates
The answer should be Balanced Forces. Good luck!
The driving force of photosynthesis is the energy that is contained in sunlight. This energy is transformed to energy that plants and other organisms use to live.
Primary producer, because it has to make it's own food.