Question

2. if biomass residue usage in a power plant is 1.25 kg/kwh, what is the calorific value of biomass residue? conversion efficiency may be taken as 31.56%.

Answer 1

1. Grazing food chain:

This type of food chain starts from the living green plants goes to grazing herbivores, and on to carnivores. Ecosystems with such type of food chain are directly dependent on an influx of solar radiation.

This type of chain thus depends on autotrophic energy capture and the movement of this captured energy to herbivores. Most of the ecosystems in nature follow this type of food chain. The phytoplanktons →zooplanktons →Fish sequence or the grasses →rabbit →Fox sequences are the examples, of grazing food chain.

Answer 2

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When biomass is used as fuel instead of fossil fuel, the carbon contained in the fossil .Biomass is any residue from plant or animal matter.

• Hope it helps!