Answer:
the correct answer is DNA
Answer:
Human impacts on marine ecosystems. Human activities affect marine ecosystems as a result of pollution, overfishing, the introduction of invasive species,and acidification, which all impact on the marine food web and may lead to largely unknown consequences for the biodiversity and survival of marine life forms.
Chemical weathering by carbonation
Explanation:
Chemical weathering by the process of carbonation will cause the inscription on a marble gravestone to become more difficult to read with time.
Chemical weathering is the decomposition and decay of rocks to form sediments and soil.
- Marble is metamorphic carbonate rock.
- It is derived from the metamorphism of limestone and dolomitic rocks.
- In the presence of weak carbonic acid, it becomes soluble
- Carbonic acid is formed when atmospheric carbon dioxide combines with rain water.
- The carbonic acid dissolves the marble and washes it away in solution.
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Answer:
bleach (sodium hypocrite dissolved in water)carbonated beverages (carbon dioxide dissolved in water is what gives sodas their fizz)
Explantion: A solution is a mixture of one substance dissolved in another so the properties are the same throughout
- The atmosphere is a good example of a solution in which a gaseous solvent (nitrogen) dissolves other gases (such as oxygen, carbon dioxide, water vapor, and neon).
Answer:
it belongs to Coelenterata phylum.
