Answer:
A. To study the chemical composition of the surface of a planet
Explanation:
Strictly speaking, a spectrometer is any instrument used to view and analyze a range (or a spectrum) of a given characteristic for a substance (for example, a range of mass-to-charge values as in mass spectrometry), or a range of wavelengths as in absorption spectrometry like nuclear magnetic radiation spectroscopy
-hope this helps!
Answer:
C
Explanation:
Increasing temp causes increased molecule movment in sample 2
Following steps are involved in this reaction,
Nitration: Nitration of benzene yield nitrobenzene.
Reduction: Reduction of Nitrobenzene yield Aniline.
Diazotization: Diazonium alt of benzene is formed from aniline.
At last diazonium salt is reacted with CuCl to yield chlorobenzene.
Cats purr<span> when they are stressed, in pain or sick because </span>cat purrs<span> have healing powers. Not all </span>cat purrs<span> are </span>purrs<span> of contentment. </span>Cats purr<span> when they are stressed, in pain or severely ill. ... There are also reports that </span>cats<span> heal faster than other animals that </span>do<span> not </span>purr<span>, and that </span>purring<span> releases endorphins.
hope this helped :)
alisa202</span>