I think the answer is 1, change ammonia into nitrates.
No because it does not use energy, reproduce, have a metabolism, breathe, or maintain homeostasis and its not made up of cells.
In order to "invest" in later stages to get more energy per glucose molecule. It could also be because that is how it is done, it wouldn't be as efficient unless these stages were performed.
hope this helps!
<span> Romanticism author usually are famous for the picture they sketch with their words about nature and beauty
so He would like to write about the
</span><span>the beauty of a weeping willow
</span>so i conclude option C is correct
hope it helps
