It is C. Nitrogen. Nitrogen is 78% of the atmoshere
How many places are there for electrons in the second shell of an atom? The answer is C) 8 electrons
The answer is D. A, B, and C all use photosynthesis, and make their own energy. A cougar relies on killing other animals to get energy. I hope this helps!
<span>can be desalinated and used for irrigation</span>
D. Course-grainedI believe................................
