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iragen [17]
3 years ago
12

If nearly 79% of the atmosphere is made of nitrogen, how could there be a shortage of nitrogen in soil?

Biology
1 answer:
Lilit [14]3 years ago
7 0
Molecular nitrogen has to be fixed in order to be in the soil. This is achieved by living organisms or lightning naturally or man can fix nitrogen in the process of making fertilizer.
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All of the following contributed to speciation in Darwin's finches except
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hope that helps
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3 0
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List the 4 components of health related fitness and the appropriate guidelines for each
gregori [183]
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5 0
2 years ago
Why do unicellular organisms need cell division
uysha [10]
Cell division is how they reproduce
6 0
2 years ago
What type of hypothesis is demonstrated by the following statement? "There will be no difference in the number of adverse events
beks73 [17]

Answer:

The correct answer is option D. "Null hypothesis".

Explanation:

Null hypothesis is characterized by stating that there is no difference between the specified populations, which is the opposite of the alternative hypothesis that states that there is a difference between the populations. Since the hypothesis included in the question states that "There will be no difference in the number of adverse events...", it  is concluded that is an example of null hypothesis.

4 0
3 years ago
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