![subject](/tpl/images/cats/biologiya.png)
Afield is abandoned, and an invasive plant that can live in nutrient-poor soil moves into the field. if the land is later cleared of this invasive species and it is discovered that the soil has an abundance of nitrogen compounds, what conclusion can best be made
a. the plants used up all of the phosphorus and potassium and left the nitrogen behind.
b. primary succession always produces an abundance of nitrogen.
c. bacteria in soil and in root nodules converted free nitrogen into nitrogen compounds.
d. the plants were able to produce nitrogen in their leaves.
e. more rock was weathered and broken down to release nitrogen compounds.
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Biology
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 02:00
Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat
Answers: 2
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 11:00
Which measure of an earthquake depends on how close you are to the focus?
Answers: 3
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 19:30
All other things being equal the size of a population will decrease if
Answers: 2
You know the right answer?
Afield is abandoned, and an invasive plant that can live in nutrient-poor soil moves into the field....
Questions
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 05.10.2019 16:20
![question](/tpl/images/cats/mat.png)
Mathematics, 05.10.2019 16:20
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 05.10.2019 16:30
![question](/tpl/images/cats/health.png)
Health, 05.10.2019 16:30
![question](/tpl/images/cats/mat.png)
Mathematics, 05.10.2019 16:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/en.png)
English, 05.10.2019 16:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 05.10.2019 16:30
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 05.10.2019 16:30
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 05.10.2019 16:30