Answer:
Air, everywhere, salt, and in the cold
Explanation:
What are you trying to ask?
Answer is A.
Archaea requires neither sunlight for photosynthesis as do plants, nor oxygen. Archaea absorbs CO2, N2, or H2S and gives off methane gas as a waste product the same way humans breathe in oxygen and breathe out carbon dioxide. An example is chemosynthetic bacteria by sea drifts. They use chemical energy to produce vital processes to live.
Answer:
To test the presence of protein in the food substance which gives a blue-to-purpule colour
