Answer:
Because the U.S. is rich in ECE deposits, these enthusiasts say, exploiting them is ... Both are certain that America's chief prospects for producing ... At the very top of the mine, a crusher reduced chunks of ore to pea-sized gravel. ... “It doesn't surprise me that we're the only ones looking at it right now.
Explanation:
If it has a nucleus or not
A cubit is an ancient measurement that measures length
the problem with using cubits is that the size may vary so it isn’t precise
the benefits of standardizing measurement is that they are precise and do not vary unlike the cubits
When an ecosystem has a scarce nutrient, that is when there is a nutrient limitation.
So the answer is C. <span>Nitrogen is typically the limiting nutrient in freshwater environments.
This is because Nitrogen is the "scarce" nutrient </span>
Answer:
Cyanobacteria, Anabaena and Azotobactor are called Nitrogen fixing bacteria. These bacteria change the nitrogen in the atmosphere into a form that is used by the plants to make proteins. Plants take nitrogen in the form of nitrates. The atmospheric nitrogen is first converted into ammonia after that ammonia is converted into nitrates and this nitrates use by the plants to make proteins.
