Answer:
nitrogen fixation, nitrification, and denitrification.
Explanation:
• Nitrogen fixation involves converting atmospheric nitrogen into the soil by nitogen fixing bacteria to form ammonia.
• Nitrification involves converting ammonia to nitrites then to nitrates by bacteria [ nitro cocci, nitrobacter and nitrospina ]
• Denitrification is the final process that involves nitrates back to atmospheric nitrogen.
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The vacuole are storage bubbles found in cells.To believe it or not they are found in both plant and animal cells but much larger in plant cells.
I hope this will help you! :)
Answer:
it is the first one and this is not my opinion it is my sisters so if I get it wrong blame her.
Explanation:
They help break down food particles to get energy and provide nutrients for the cells
They can melt because of global warming.