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:
I believe it would be the one orbiting above the atmosphere or on Venus
Explanation:
There are no artificial/man-made interferences and being outside of the Earth's atmosphere more starlight can reach the observatory.