Widened margins does not occur at the continental margin
Answer:
Abiotic factors refer to non-living physical and chemical elements in the ecosystem. ... Examples of abiotic factors are water, air, soil, sunlight, and minerals. Biotic factors are living or once-living organisms in the ecosystem. These are obtained from the biosphere and are capable of reproduction.
Explanation:
The sun.........................................................
It sends an impulse back to the cell body of a neuron
