Legumes incorporate nitrogen gas into their proteins beca...
Legumes incorporate nitrogen gas into their proteins because
of the presence of Azotobacter in their roots
they possess root nodules containing Rhizobium
they have a well developed root system
they are autotrophic
Correct answer is B
No explanation has been provided for this answer.
Another cause that could lead to the phenomenon in the diagram is ...
Genes that remain linked are those ...
Which of the following factors does not control population growth? ...
The loss of soil through erosion can be reduced by ...
In humans, sex is determined by ...
A limited factor in a plant population near a chemical factory is likely to be ...