"The density of a substance determines how much light is refracted"
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Homeostasis is maintained by the respiratory system in two ways: gas exchange and regulation of blood pH. Gas exchange is performed by the lungs by eliminating carbon dioxide, a waste product given off by cellular respiration.
An ecosystem could probably survive without carnivores and decomposers. Carnivores are organisms that are dependent upon other organisms for their food and energy requirements. ... These organisms will limit the population of other organisms for example herbivores. Therefore, without carnivores the ecosystem will survive.n:
Answer:Polar, and Hydrophilic with a negative charge...
Explanation: