Answer:
The kingdom Animalia, or Metazoa, includes all animals. Animals are multicellular, eukaryotic organisms, which are heterotrophic, meaning they obtain nutrition from organic sources.
Explanation:
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A very acidic pH level is 1, and a very basic pH level is 13.
Answer:
the correct answer is the second option
Nitrogen and Oxygen make up the greatest percentage of the atmosphere.
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Solutions that have more or greater concentration of hydroxide ions (OH-) than hydrogen ions (H+) are basic or alkali in nature. They showcase the properties of a base and not of an acid.
