An action with a stimulus and reflex response is an involuntary action
Powdered coke prevent the heat loss. As a result, it prevents burning of carbon electrodes.
Heterotrophic cells must ingest biomass to obtain their energy and nutrition. Heterotrophic microorganisms mostly feed upon dead plants and animals, and are known as decomposers. ... Some animals also specialize on feeding on dead organic matter, and are known as scavengers or detritivores. Hope this was helpful.
