The primary source of energy for ecosystem processes is photosynthesis. Directly or indirectly, photosynthesis provides the energy for all forms of life in the biosphere.
The answer is Mahatma Gandhi. He used non-violent methods to revolt against the British.
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Momentum is a VECTOR quantity because it involves MAGNITUDE AND DIRECTION.
A vector quantity is a quantity which has both magnitude and direction. The formula for momentum is mass x velocity. The mass is a scalar quantity while the velocity is a vector quantity; scalar multiply by vector quantity will give vector quantity .<span />
