Matteuccia is a genus of ferns and one of the species are Matteuccia struthiopteris. Hope that helps! :))
Dependent would be amount of colds.
Controlled would be amount of vitamin C taken.
Independent could be the fact that vitamin C will be taken daily.
Cyanobacteria don't need oxygen to survive they produce oxygen. They where the first ever known organisms on the planet and they produced oxygen in the oceans which was absorbed by iron deposits and then once the iron had oxygen the ocean got the oxygen until it got into the atmosphere and Eukaryota bacteria evolved. So the answer would be: <span>They convert nitrates from the water into nitrogen gas (N2) that is released into the atmosphere.</span>
The following should not be used to reduce the resistance of going to bed for a young child.
<u>Explanation: </u>
- If the child feels sleepy at 10.30 pm and you want the child to sleep at 8.30 pm, never force them to the time you want them to good to bed. instead, make the time they feel sleepy as temporary bedtime.
- Never to feed them with the heavy diet for making them fall asleep may extend the time of the digestion process or lead to stomach illness during late night.
- Avoid stimulating high energy activities like playing outside, running around, watching exciting TV shows.
- Don't discuss or argue about bedtime with your child.
- Once the child is put to bed immediately leave the room if not that will not allow the child to fall asleep soon
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The answer is B... they are poisonous because of the plant they eat
