Paramecia are examples of unicellular organisms. They are protists.
Protists are eukaryotic unicellular (single-celled) organisms that do not fit into any other category.
Paramecia are protists microorganisms generally found in aquatic habitats (e.g., a pond).
Paramecia generally have an oblong shape and they are covered with tiny structures known as cilia (for motion).
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Explanation:
the solid substance which left on the filter paper is called Residue
Because all atoms are made from the same particles which are protons, neutrons, and electrons.
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Answer:
they causes climate change by trapping heat and also they contribute to respiratory diseases from smog and air pollution