I think the correct answer is nitrogen. Among all the main nutrients in the biosphere, the substance that is fixed or constant inside the nodules in certain roots of plants would be nitrogen. Hope this answers the question. Have a nice day.
In the given case, the dependent variable is the progression of the disease.
An independent variable refers to the variable, which is monitored or modified in a scientific examination to test the influences on the dependent variable. A dependent variable refers to the variable being examined and determined in a scientific test. Both the dependent and the independent variable may be witnessed in the terms of effect and cause.
The phenotype expressed is dominant
Answer: Mitosis contains four phases: prophase, metaphase, anaphase, and telophase.
Explanation: