It's need to pass oxygen to the blood to the respiratory system work properly I think that the answer
Answer:
Condensation, when gas to liquid.
Explanation:
Answer:
Option (2).
Explanation:
Ames test is used to identify the mutageneicity of the compound. The bacteria are treated with chemicals in the nutritive environment to determine whether the substance can acts as a mutagen or not.
The bacteria that can restore the biosyntheic activity in the environment can be considered as mutagen. The mutant bacteria can be easily identified in the Ames test.
Thus, the correct answer is option (2).
Answer is the second option by the way :)) !