In order for plants to assimilate nitrogen directly into their system, the nitrogen must be in the form of nitrates. Nitrogen in the air and ammonia from decayed matter in the soil is converted to ammonium by decomposers and nitrogen-fixing bacteria. The ammonium is further nitrified to nitrates by nitrifying bacteria. Finally, the nitrates can then absorbed by the plants.
Answer:
Assuming that question asking the measures taken by the U. S. government in past the correct answer would be - opened a station for immigrants on Ellis Island in New York.
Explanation:
To deal with the elevation of the numbers of immigrants the U. S. government established an immigration station or point on Ellis Island located in New York City.
This station was opened in the year 1892. It was an entrance door for immigrants that come into the United States. South and Eastern Europe people were the majority of the immigrants that come these 60 years.
Thus, the correct answer is - opened a station for immigrants on Ellis Island in New York.
It acts as a bottom liner for the landfill.It protects the organisms under,and around the landfill because if the bottom liner breaks or cracks then the waste would go through it and spread around the surrounding environment.
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Answer:
a topic that interests you and you have read about it. The information should be used to derive possible answers to what you would like to research on. It can also be found in books from the library and online. Pick a topic that you’d like to know more about. Selecting an interesting topic helps you to generate hypothesis before the study. For example, choose a topic like, why is the percentage of obese women is larger than that of men? This is a topic that may raise a discussion, and the literature of this information will vary. The information in books written by different people will be different.
Explanation: