Answer:
78% nitrogen
Explanation:
It has been long agreed upon that our atmosphere is highly abundant with nitrogen. Our atmosphere is composed of 78% nitrogen and then other gases follow such as 21% oxygen, 0.9% argon, and 0.03% carbon dioxide with very small percentages of other elements.
The nitrogen has been reduced or has undergone reduction and it has gained one electron
Answer:
chemical change
Explanation:
chemical change requires energy in the form of heat or electricity.
Answer:
<em>yes</em>
Explanation:
the cuttle fish tell the difference between blue and yellow
Answer:
All answers attached in the pictures above.
